Carriers issuing the most numbers right now
Ranked by blocks assigned in the last 18 months. If your number is recent and not on this list, your originating carrier is in our long tail — search for them by name above.
| OCN | Company | HQ | Type | Holding | Recent | Total | Website |
|---|---|---|---|---|---|---|---|
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | AT&T Inc | 6,972 | 58,704 | att.com |
| 6214 | New Cingular Wireless PCS LLC - GA | Atlanta, GA | Wireless Carrier | AT&T Inc | 5,569 | 40,046 | att.com |
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | AT&T Inc | 4,493 | 30,944 | att.com |
| 6010 | New Cingular Wireless PCS LLC | Kirkland, WA | Wireless Carrier | AT&T Inc | 3,116 | 38,106 | att.com |
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | T-Mobile Usa Inc | 2,873 | 74,692 | t-mobile.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 2,586 | 31,551 | ||
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 2,018 | 2,259 | terranova.net | |
| 6006 | Cellco Partnership dba Verizon Wireless - CA | Olathe, KS | Wireless Carrier | Cellco Partnership | 1,643 | 19,718 | verizonwireless.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 1,285 | 3,411 | ||
| 937C | Onvoy LLC - FL | Chicago, IL | Competitive Local Exchange Carrier | 1,122 | 11,145 | sinch.com | |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | DISH Wireless Holding LLC | 1,084 | 3,955 | dish.com |
| 6506 | Cellco Partnership dba Verizon Wireless - TX | Olathe, KS | Wireless Carrier | Cellco Partnership | 902 | 9,136 | verizonwireless.com |
| 649C | Onvoy LLC - CA | Chicago, IL | Competitive Local Exchange Carrier | 889 | 21,516 | sinch.com | |
| 6701 | Aerial Communications Inc | Chicago, IL | Personal Communications Service (Wireless) | 747 | 19,074 | t-mobile.com | |
| 6959 | Cellco Partnership dba Verizon Wireless - NY | Olathe, KS | Wireless Carrier | Cellco Partnership | 621 | 9,578 | verizonwireless.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 601 | 3,321 | hdcarrier.com | |
| 903C | Onvoy LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 595 | 15,066 | sinch.com | |
| 6502 | Cellco Partnership dba Verizon Wireless - FL | Olathe, KS | Wireless Carrier | Cellco Partnership | 569 | 8,162 | verizonwireless.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | T-Mobile Usa Inc | 529 | 52,755 | metropcs.com |
| 547E | Onvoy LLC - PA | Chicago, IL | Competitive Local Exchange Carrier | 505 | 8,313 | sinch.com | |
| 637C | Onvoy LLC - NJ | Chicago, IL | Competitive Local Exchange Carrier | 490 | 5,188 | sinch.com | |
| 384C | Onvoy LLC - NY | Chicago, IL | Competitive Local Exchange Carrier | 478 | 9,958 | sinch.com | |
| 6272 | United States Cellular - OK | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 478 | 1,207 | uscellular.com |
| 6855 | Omnipoint Communications Cap Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | VoiceStream Wireless Corporation | 478 | 9,316 | t-mobile.com |
| 224C | Onvoy LLC | Chicago, IL | Competitive Local Exchange Carrier | 406 | 8,314 | sinch.com | |
| 464C | Onvoy LLC - OH | Chicago, IL | Competitive Local Exchange Carrier | 392 | 7,228 | sinch.com | |
| 6266 | United States Cellular - IA | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 385 | 1,903 | uscellular.com |
| 138E | Onvoy LLC - VA | Chicago, IL | Competitive Local Exchange Carrier | 380 | 4,341 | sinch.com | |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 347 | 367 | peerlessnetwork.com | |
| 6889 | Omnipoint Miami E License LLC | Bellevue, WA | Personal Communications Service (Wireless) | Voicestream Wireless Corporation | 338 | 12,217 | t-mobile.com |
| 638E | Onvoy LLC - NC | Chicago, IL | Competitive Local Exchange Carrier | 321 | 5,384 | sinch.com | |
| 7473 | Powertel Atlanta Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Powertel Inc | 315 | 5,929 | t-mobile.com |
| 6324 | Cellco Partnership dba Verizon Wireless - NC | Olathe, KS | Wireless Carrier | Cellco Partnership | 298 | 5,513 | verizonwireless.com |
| 6540 | Cellco Partnership dba Verizon Wireless - GA | Olathe, KS | Wireless Carrier | Cellco Partnership | 288 | 5,822 | verizonwireless.com |
| 7217 | Teleport Communications America LLC - AZ | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 280 | 887 | att.com |
| 067D | Onvoy LLC - GA | Chicago, IL | Competitive Local Exchange Carrier | 279 | 6,330 | sinch.com | |
| 6274 | United States Cellular - WI | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 277 | 1,084 | uscellular.com |
| 6391 | Cellco Partnership dba Verizon Wireless - NJ | Olathe, KS | Wireless Carrier | Cellco Partnership | 272 | 4,039 | verizonwireless.com |
| 6387 | Cellco Partnership dba Verizon Wireless - MA | Olathe, KS | Wireless Carrier | Cellco Partnership | 258 | 3,997 | verizonwireless.com |
| 6392 | Cellco Partnership dba Verizon Wireless - PA | Olathe, KS | Wireless Carrier | Cellco Partnership | 257 | 6,381 | verizonwireless.com |
| 6827 | Cellco Partnership dba Verizon Wireless - VA | Olathe, KS | Wireless Carrier | Cellco Partnership | 253 | 4,201 | verizon.com |
| 876D | Onvoy LLC - MD | Chicago, IL | Competitive Local Exchange Carrier | 253 | 3,090 | sinch.com | |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 250 | 1,552 | brightlink.com | |
| 6572 | Cellco Partnership dba Verizon Wireless - AZ | Olathe, KS | Wireless Carrier | Cellco Partnership | 249 | 3,409 | verizonwireless.com |
| 5816 | Cellco Partnership dba Verizon Wireless - MN | Olathe, KS | Wireless Carrier | Cellco Partnership | 238 | 2,701 | verizonwireless.com |
| 8645 | SunCom dba T-Mobile USA | Charleston, SC | Personal Communications Service (Wireless) | Suncom Wireless Holdings Inc | 232 | 8,973 | t-mobile.com |
| 6626 | Omnipoint Communications Enterprises LP | Cedar Knolls, NJ | Personal Communications Service (Wireless) | VoiceStream Wireless Corporation | 231 | 4,950 | t-mobile.com |
| 6333 | Cellco Partnership dba Verizon Wireless - IL | Olathe, KS | Wireless Carrier | Cellco Partnership | 229 | 4,882 | verizonwireless.com |
| 5814 | Cellco Partnership dba Verizon Wireless - MO | Olathe, KS | Wireless Carrier | Cellco Partnership | 222 | 2,267 | verizonwireless.com |
| 6025 | Cellco Partnership dba Verizon Wireless - OH | Olathe, KS | Wireless Carrier | Cellco Partnership | 219 | 7,294 | verizonwireless.com |
| 114F | Teleport Communications America LLC - TN | Bedminster, NJ | Competitive Local Exchange Carrier | AT&T Inc | 210 | 766 | att.com |
| 093F | Onvoy LLC - MO | Chicago, IL | Competitive Local Exchange Carrier | 208 | 4,204 | sinch.com | |
| 8392 | Teleport Communications America LLC - GA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 208 | 1,144 | att.com |
| 6003 | Cellco Partnership dba Verizon Wireless - MI | Olathe, KS | Wireless Carrier | Cellco Partnership | 203 | 6,325 | verizonwireless.com |
| 6265 | United States Cellular - IL | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 199 | 792 | uscellular.com |
| 6725 | Cellco Partnership dba Verizon Wireless - IN | Olathe, KS | Wireless Carrier | Cellco Partnership | 192 | 3,013 | verizonwireless.com |
| 5812 | Cellco Partnership dba Verizon Wireless - WA | Olathe, KS | Wireless Carrier | Cellco Partnership | 188 | 3,348 | verizonwireless.com |
| 225C | Onvoy LLC - WI | Chicago, IL | Competitive Local Exchange Carrier | 181 | 3,477 | sinch.com | |
| 097D | Onvoy LLC - IN | Chicago, IL | Competitive Local Exchange Carrier | 176 | 4,545 | sinch.com | |
| 7144 | Teleport Communications America LLC - NE | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 174 | 293 | att.com |
| 525E | Onvoy LLC - TN | Chicago, IL | Competitive Local Exchange Carrier | 166 | 3,788 | sinch.com | |
| 2964 | Omnipoint Communications Midwest Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | Omnipoint Holdings Inc | 165 | 9,430 | t-mobile.com |
| 348F | Onvoy LLC - AR | Chicago, IL | Competitive Local Exchange Carrier | 162 | 1,771 | sinch.com | |
| 793K | TWC IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 162 | 9,517 | ||
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 160 | 24,231 | comcast.com | |
| 7475 | Powertel Birmingham Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Powertel Inc | 154 | 1,194 | t-mobile.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 154 | 4,857 | ||
| 6622 | Omnipoint Communications Inc - NY | Wayne, NJ | Personal Communications Service (Wireless) | VoiceStream Wireless Corporation | 153 | 13,450 | t-mobile.com |
| 6673 | Cellco Partnership dba Verizon Wireless - TN | Olathe, KS | Wireless Carrier | Cellco Partnership | 152 | 3,462 | verizonwireless.com |
| 6508 | Cellco Partnership dba Verizon Wireless - WI | Olathe, KS | Wireless Carrier | Cellco Partnership | 151 | 2,321 | verizonwireless.com |
| 977K | Yorkstream Communications LLC | Albany, NY | Competitive Local Exchange Carrier | 145 | 232 | ||
| 7136 | Teleport Communications America LLC - IL | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 144 | 1,636 | att.com |
| 6567 | Cellco Partnership dba Verizon Wireless - CO | Olathe, KS | Wireless Carrier | Cellco Partnership | 142 | 2,656 | verizonwireless.com |
| 4290 | STPCS Joint Venture LLC | Scottsdale, AZ | Personal Communications Service (Wireless) | 140 | 2,134 | t-mobile.com | |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 137 | 13,466 | telnyx.com | |
| 6623 | Omnipoint Communications Inc - NJ | Wayne, NJ | Personal Communications Service (Wireless) | VoiceStream Wireless Corporation | 132 | 3,550 | t-mobile.com |
| 5820 | Cellco Partnership dba Verizon Wireless - OR | Olathe, KS | Wireless Carrier | Cellco Partnership | 130 | 2,022 | verizonwireless.com |
| 6271 | United States Cellular - TX | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 130 | 192 | uscellular.com |
| 4644 | Teleport Communications America LLC - VA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 129 | 525 | att.com |
| 749E | Onvoy LLC - LA | Chicago, IL | Competitive Local Exchange Carrier | 127 | 2,987 | sinch.com | |
| 548E | Onvoy LLC - SC | Chicago, IL | Competitive Local Exchange Carrier | 126 | 2,418 | sinch.com | |
| 750E | Onvoy LLC - OR | Chicago, IL | Competitive Local Exchange Carrier | 126 | 2,458 | sinch.com | |
| 6395 | Cellco Partnership dba Verizon Wireless - MD | Olathe, KS | Wireless Carrier | Cellco Partnership | 122 | 2,531 | verizonwireless.com |
| 6398 | Cellco Partnership dba Verizon Wireless - SC | Olathe, KS | Wireless Carrier | Cellco Partnership | 121 | 2,730 | verizonwireless.com |
| 839J | EON Telecom Inc | Bellingham, WA | IP-Enabled Service / VoIP | 121 | 799 | ||
| 6500 | Cellco Partnership dba Verizon Wireless - KY | Olathe, KS | Wireless Carrier | Cellco Partnership | 114 | 1,622 | verizonwireless.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | AT&T Inc | 113 | 5,935 | att.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 109 | 273 | leap.tel | |
| 6263 | United States Cellular - NE | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 107 | 482 | uscellular.com |
| 6570 | Cellco Partnership dba Verizon Wireless - IA | Olathe, KS | Wireless Carrier | Cellco Partnership | 104 | 1,844 | verizonwireless.com |
| 6532 | Cellco Partnership dba Verizon Wireless - KS | Olathe, KS | Wireless Carrier | Cellco Partnership | 103 | 1,349 | verizonwireless.com |
| 6283 | United States Cellular - VA | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 100 | 400 | uscellular.com |
| 6804 | Cellco Partnership dba Verizon Wireless - AL | Olathe, KS | Wireless Carrier | Cellco Partnership | 95 | 2,504 | verizonwireless.com |
| 026D | Onvoy LLC - CO | Chicago, IL | Competitive Local Exchange Carrier | 93 | 3,190 | sinch.com | |
| 604E | Onvoy LLC - AL | Chicago, IL | Competitive Local Exchange Carrier | 90 | 4,230 | sinch.com | |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 89 | 747 | brightlink.com | |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | Verizon Communications Inc | 88 | 19,828 | verizon.com |
| 6388 | Cellco Partnership dba Verizon Wireless - CT | Olathe, KS | Wireless Carrier | Cellco Partnership | 87 | 1,851 | verizonwireless.com |
| 6846 | D&E/Omnipoint Wireless Joint Venture LP dba PCS One | Ephrata, PA | Personal Communications Service (Wireless) | T-Mobile Usa Inc | 87 | 1,010 | t-mobile.com |
| 125L | Mass Mobile LLC | Longwood, FL | Competitive Local Exchange Carrier | 84 | 84 | ||
| 5807 | Cellco Partnership dba Verizon Wireless - NE | Olathe, KS | Wireless Carrier | Cellco Partnership | 82 | 1,395 | verizonwireless.com |
| 7139 | Teleport Communications America LLC - CA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 81 | 1,331 | att.com |
| 6386 | Bell Atlantic NYNEX Mobile | Bedminster, NJ | Wireless Carrier | 80 | 1,625 | verizon.com | |
| 373F | Peerless Network of California LLC - CA | Chicago, IL | Competitive Local Exchange Carrier | 79 | 3,276 | peerlessnetwork.com | |
| 6458 | Cellco Partnership dba Verizon Wireless - NV | Olathe, KS | Wireless Carrier | Cellco Partnership | 79 | 1,151 | verizonwireless.com |
| 409F | Onvoy LLC - OK | Chicago, IL | Competitive Local Exchange Carrier | 78 | 2,425 | sinch.com | |
| 004F | Bandwidth.com CLEC LLC - TX | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 77 | 6,431 | bandwidth.com |
| 6805 | Cellco Partnership dba Verizon Wireless - AR | Olathe, KS | Wireless Carrier | Cellco Partnership | 77 | 1,445 | verizonwireless.com |
| 205F | Onvoy LLC - KS | Chicago, IL | Competitive Local Exchange Carrier | 74 | 2,071 | sinch.com | |
| 6275 | United States Cellular - MO | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 73 | 487 | uscellular.com |
| 896E | Onvoy LLC - KY | Chicago, IL | Competitive Local Exchange Carrier | 69 | 2,918 | sinch.com | |
| 982E | Bandwidth.com CLEC LLC - FL | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 69 | 5,433 | bandwidth.com |
| 693K | LiveWire Telecom LLC | Longwood, FL | Competitive Local Exchange Carrier | 65 | 141 | ||
| 639C | Onvoy LLC - CT | Chicago, IL | Competitive Local Exchange Carrier | 64 | 1,783 | sinch.com | |
| 7472 | Powertel Jacksonville Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Powertel Inc | 63 | 1,612 | t-mobile.com |
| 6284 | United States Cellular - WV | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 62 | 327 | uscellular.com |
| 8300 | Teleport Communications America LLC - FL | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 62 | 1,704 | att.com |
| 6565 | Cellco Partnership dba Verizon Wireless - ID | Olathe, KS | Wireless Carrier | Cellco Partnership | 61 | 1,170 | verizonwireless.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | AT&T Inc | 61 | 1,597 | att.com |
| 6267 | United States Cellular - KS | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 60 | 321 | uscellular.com |
| 7530 | Teleport Communications America LLC - UT | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 59 | 364 | att.com |
| 450C | Teleport Communications America - NM - LLC | Bedminster, NJ | Competitive Local Exchange Carrier | AT&T Inc | 57 | 107 | att.com |
| 6624 | Omnipoint Communications Inc - CT | Wayne, NJ | Personal Communications Service (Wireless) | VoiceStream Wireless Corporation | 57 | 1,427 | t-mobile.com |
| 871E | Onvoy LLC - UT | Chicago, IL | Competitive Local Exchange Carrier | 57 | 1,634 | sinch.com | |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 56 | 254 | exiantcom.com | |
| 6505 | Cellco Partnership dba Verizon Wireless - LA | Olathe, KS | Wireless Carrier | Cellco Partnership | 55 | 1,435 | verizonwireless.com |
| 6516 | Cellco Partnership dba Verizon Wireless - HI | Olathe, KS | Wireless Carrier | Cellco Partnership | 53 | 564 | verizonwireless.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 52 | 779 | alticeusa.com | |
| 6573 | Cellco Partnership dba Verizon Wireless - NM | Olathe, KS | Wireless Carrier | Cellco Partnership | 52 | 1,391 | verizonwireless.com |
| 7476 | Powertel Nashville Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Powertel Inc | 52 | 1,748 | t-mobile.com |
| 6571 | Cellco Partnership dba Verizon Wireless - UT | Olathe, KS | Wireless Carrier | Cellco Partnership | 51 | 1,852 | verizonwireless.com |
| 196F | Bandwidth.com CLEC LLC - AR | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 49 | 613 | bandwidth.com |
| 6393 | Cellco Partnership dba Verizon Wireless - DE | Olathe, KS | Wireless Carrier | Cellco Partnership | 48 | 563 | verizonwireless.com |
| 5813 | Cellco Partnership dba Verizon Wireless - OK | Olathe, KS | Wireless Carrier | Cellco Partnership | 47 | 1,064 | verizonwireless.com |
| 7532 | Teleport Communications America LLC - OH | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 47 | 916 | att.com |
| 206F | Onvoy LLC - NM | Chicago, IL | Competitive Local Exchange Carrier | 46 | 1,263 | sinch.com | |
| 641H | TDS Broadband Service LLC | Madison, WI | IP-Enabled Service / VoIP | 46 | 46 | ||
| 933G | Peerless Network of Michigan LLC - MI | Chicago, IL | Competitive Local Exchange Carrier | 46 | 726 | peerlessnetwork.com | |
| 7145 | Teleport Communications America LLC - CA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 45 | 1,316 | att.com |
| 029F | Onvoy LLC - NV | Chicago, IL | Competitive Local Exchange Carrier | 44 | 1,402 | sinch.com | |
| 177F | Peerless Network of Texas LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 44 | 1,629 | peerlessnetwork.com | |
| 079F | Bandwidth.com CLEC LLC - VA | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 43 | 2,216 | bandwidth.com |
| 7148 | Teleport Communications America LLC - TX | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 43 | 1,187 | att.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 43 | 34,822 | ||
| 252F | Wide Voice LLC - CA | Las Vegas, NV | Competitive Local Exchange Carrier | 42 | 91 | widevoice.com | |
| 6114 | Level 3 Communications LLC - TX | Westminster, CO | Competitive Local Exchange Carrier | Level 3 Financing Inc | 42 | 4,893 | centurylink.com |
| 671J | U.S. Telepacific Corporation dba TPx Communications | Las Vegas, NV | IP-Enabled Service / VoIP | 42 | 4,359 | tpx.com | |
| 549E | Onvoy LLC - NE | Chicago, IL | Competitive Local Exchange Carrier | 41 | 1,524 | sinch.com | |
| 6282 | United States Cellular - NC | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 40 | 692 | uscellular.com |
| 284F | Peerless Network of Ohio LLC - OH | Chicago, IL | Competitive Local Exchange Carrier | 39 | 865 | peerlessnetwork.com | |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 39 | 592 | twilio.com | |
| 6396 | Cellco Partnership dba Verizon Wireless - MS | Olathe, KS | Wireless Carrier | Cellco Partnership | 39 | 1,014 | verizonwireless.com |
| 365C | Powertel Kentucky Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Deutsche Telekom Inc | 38 | 1,570 | t-mobile.com |
| 8271 | Teleport Communications America LLC - AL | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 38 | 333 | att.com |
| 155E | Peerless Network of New York LLC - NY | Chicago, IL | Competitive Local Exchange Carrier | 37 | 1,538 | peerlessnetwork.com | |
| 850D | Onvoy LLC - DC | Chicago, IL | Competitive Local Exchange Carrier | 37 | 688 | sinch.com | |
| 382D | Level 3 Communications LLC - ME | Broomfield, CO | Competitive Local Exchange Carrier | Level 3 Financing Inc | 36 | 318 | centurylink.com |
| 883K | Ahoi LLC | Littleton, CO | IP-Enabled Service / VoIP | 36 | 36 | ||
| 063E | Peerless Network of Illinois LLC - IL | Chicago, IL | Competitive Local Exchange Carrier | 35 | 1,092 | peerlessnetwork.com | |
| 719E | Onvoy LLC - MS | Chicago, IL | Competitive Local Exchange Carrier | 35 | 2,104 | sinch.com | |
| 072F | Bandwidth.com CLEC LLC - AL | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 34 | 1,496 | bandwidth.com |
| 7218 | Teleport Communications America LLC - MO | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 34 | 560 | att.com |
| 997E | Bandwidth.com CLEC LLC - NY | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 34 | 6,182 | bandwidth.com |
| 6278 | United States Cellular - TN | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 33 | 335 | uscellular.com |
| 118F | Bandwidth.com CLEC LLC - NJ | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 32 | 2,511 | bandwidth.com |
| 124F | Bandwidth.com CLEC LLC - TN | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 32 | 1,817 | bandwidth.com |
| 225F | Peerless Network of Missouri LLC - MO | Chicago, IL | Competitive Local Exchange Carrier | 32 | 596 | peerlessnetwork.com | |
| 382G | Terra Nova Telecom Inc - FL | Key Largo, FL | Competitive Local Exchange Carrier | 32 | 86 | tntelecom.net | |
| 7474 | Powertel Memphis Licenses Inc | Bellevue, WA | Personal Communications Service (Wireless) | Powertel Inc | 32 | 1,219 | t-mobile.com |
| 6563 | Cellco Partnership dba Verizon Wireless | Olathe, KS | Wireless Carrier | Cellco Partnership | 30 | 178 | verizonwireless.com |
| 6564 | Cellco Partnership dba Verizon Wireless - MT | Olathe, KS | Wireless Carrier | Cellco Partnership | 30 | 788 | verizonwireless.com |
| 6569 | Cellco Partnership dba Verizon Wireless - SD | Olathe, KS | Wireless Carrier | Cellco Partnership | 30 | 705 | verizonwireless.com |
| 991E | Bandwidth.com CLEC LLC - MI | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 30 | 1,985 | bandwidth.com |
| 078F | Bandwidth.com CLEC LLC - CO | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 29 | 1,316 | bandwidth.com |
| 984E | Bandwidth.com CLEC LLC - IL | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 29 | 2,773 | bandwidth.com |
| 981E | Bandwidth.com CLEC LLC - CA | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 28 | 11,934 | bandwidth.com |
| 450F | Onvoy LLC - WY | Chicago, IL | Competitive Local Exchange Carrier | 27 | 626 | sinch.com | |
| 969E | Onvoy LLC - DE | Chicago, IL | Competitive Local Exchange Carrier | 27 | 608 | sinch.com | |
| 221F | Onvoy LLC - IA | Chicago, IL | Competitive Local Exchange Carrier | 25 | 2,799 | sinch.com | |
| 6349 | United States Cellular - OR | Chicago, IL | Wireless Carrier | United States Cellular Operating Company | 25 | 287 | uscellular.com |
| 7138 | Teleport Communications America LLC - TX | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 25 | 1,305 | att.com |
| 128L | E. Ritter Communications LLC | Jonesboro, AR | IP-Enabled Service / VoIP | 24 | 24 | ||
| 6568 | Cellco Partnership dba Verizon Wireless - ND | Olathe, KS | Wireless Carrier | Cellco Partnership | 23 | 691 | verizonwireless.com |
| 7146 | Teleport Communications America LLC - WA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 23 | 869 | att.com |
| 993E | Bandwidth.com CLEC LLC - MO | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 23 | 1,501 | bandwidth.com |
| 001F | Bandwidth.com CLEC LLC - OH | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 22 | 2,996 | bandwidth.com |
| 770E | Teleport Communications America LLC - MI | Bedminster, NJ | Competitive Local Exchange Carrier | AT&T Inc | 21 | 1,005 | att.com |
| 977E | Onvoy LLC - RI | Chicago, IL | Competitive Local Exchange Carrier | 21 | 463 | sinch.com | |
| 983E | Bandwidth.com CLEC LLC - GA | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 21 | 3,009 | bandwidth.com |
| 006F | Bandwidth.com CLEC LLC - WA | Cary, NC | Competitive Local Exchange Carrier | Bandwidth Inc | 20 | 631 | bandwidth.com |
| 210H | Onvoy LLC - HI | Chicago, IL | Competitive Local Exchange Carrier | 20 | 365 | sinch.com | |
| 967E | Peerless Network of Pennsylvania LLC - PA | Chicago, IL | Competitive Local Exchange Carrier | 20 | 1,036 | peerlessnetwork.com | |
| 018H | Peerless Network of Kansas LLC - KS | Chicago, IL | Competitive Local Exchange Carrier | 19 | 288 | peerlessnetwork.com | |
| 4802 | Level 3 Communications LLC - FL | Westminster, CO | Competitive Local Exchange Carrier | Level 3 Financing Inc | 19 | 3,350 | centurylink.com |
| 5256 | Level 3 Communications LLC - MN | Broomfield, CO | Competitive Local Exchange Carrier | Level 3 Financing Inc | 19 | 1,020 | centurylink.com |
| 543C | Onvoy LLC V - MI | Chicago, IL | Competitive Local Exchange Carrier | 19 | 5,779 | sinch.com | |
| 907K | Allo Communications LLC | Lincoln, NE | IP-Enabled Service / VoIP | 19 | 20 | ||
| 6390 | Cellco Partnership dba Verizon Wireless - VT | Olathe, KS | Wireless Carrier | Cellco Partnership | 18 | 361 | verizonwireless.com |
| 6394 | Cellco Partnership dba Verizon Wireless - WV | Olathe, KS | Wireless Carrier | Cellco Partnership | 18 | 393 | verizonwireless.com |
| 7147 | Teleport Communications America LLC - CA | Staten Island, NY | Competitive Local Exchange Carrier | AT&T Inc | 18 | 340 | att.com |