Area code 667
3,896 number blocks indexed across 52 carriers.
States: MD (3,896)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 4036 | New Cingular Wireless PCS LLC - DC | Atlanta, GA | Wireless Carrier | 636 | 241 | att.com |
| 6855 | Omnipoint Communications Cap Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 600 | 91 | t-mobile.com |
| 876D | Onvoy LLC - MD | Chicago, IL | Competitive Local Exchange Carrier | 895 | 54 | sinch.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 59 | 32 | dish.com |
| 6395 | Cellco Partnership dba Verizon Wireless - MD | Olathe, KS | Wireless Carrier | 147 | 29 | verizonwireless.com |
| 7325 | Teleport Communications America LLC - MD | Staten Island, NY | Competitive Local Exchange Carrier | 101 | 11 | att.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 278 | 6 | |
| 568G | Peerless Network of Maryland LLC | Chicago, IL | Competitive Local Exchange Carrier | 81 | 4 | peerlessnetwork.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 4 | 4 | peerlessnetwork.com |
| 071F | Bandwidth.com CLEC LLC - MD | Cary, NC | Competitive Local Exchange Carrier | 190 | 3 | bandwidth.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 7 | 3 | leap.tel |
| 6119 | Level 3 Communications LLC - MD | Westminster, CO | Competitive Local Exchange Carrier | 91 | 2 | centurylink.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 54 | 2 | comcast.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 6 | 2 | att.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 5 | 2 | terranova.net |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 31 | 1 | metropcs.com |
| 2593 | Core Communications Inc - MD | Annapolis, MD | Competitive Local Exchange Carrier | 163 | — | coretel.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 97 | — | commio.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 71 | — | coretel.net |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 48 | — | telnyx.com |
| 551G | NUSO LLC | Atlanta, GA | Wireless Carrier | 37 | — | 365wireless.net |
| 7228 | MCImetro Access Transmission Services LLC - MD | Vienna, VA | Competitive Local Exchange Carrier | 31 | — | verizon.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 30 | — | vonage.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 30 | — | verizon.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 29 | — | |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 27 | — | hdcarrier.com |
| 082H | Local Access LLC - MD | Windermere, FL | Competitive Local Exchange Carrier | 20 | — | |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 15 | — | fractel.net |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 14 | — | centurylink.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 964H | Barr Tell USA Inc | Long Beach, NY | Competitive Local Exchange Carrier | 13 | — | barrtell.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 8 | — | brightlink.com |
| 469J | Coretel Maryland Inc - MD | Anderson, SC | Competitive Local Exchange Carrier | 6 | — | coretel.net |
| 6626 | Omnipoint Communications Enterprises LP | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 5 | — | t-mobile.com |
| 8697 | Baltimore-Washington Telephone (BWT) | Laurel, MD | Competitive Local Exchange Carrier | 5 | — | bwtel.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 4 | — | exiantcom.com |
| 2596 | Quantum Telecommunications Inc - MD | Manchester, MD | Competitive Local Exchange Carrier | 4 | — | qis.net |
| 361H | Atlantech Online Inc - MD | Silver Spring, MD | Competitive Local Exchange Carrier | 4 | — | atlantech.net |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 4 | — | alticeusa.com |
| 475J | Callworks Corporation | Fair Oaks, TX | IP-Enabled Service / VoIP | 4 | — | callworks.me |
| 506J | Twilio International Inc | San Francisco, CA | IP-Enabled Service / VoIP | 4 | — | twilio.com |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 4 | — | five9.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 4 | — | |
| 139F | Evolve Cellular Inc | Austin, TX | Wireless Carrier | 2 | — | worldcall.net |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 2 | — | brightlink.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 2 | — | |
| 530H | Wide Voice LLC - MD | Las Vegas, NV | Competitive Local Exchange Carrier | 2 | — | widevoice.com |
| 691H | Airus Inc - MD | Chicago, IL | Competitive Local Exchange Carrier | 2 | — | airustel.com |
| 9212 | Verizon Maryland Inc | Falls Church, VA | Regional Bell Operating Company | 2 | — | verizon.com |
| 996H | Airespring Inc | Van Nuys, CA | IP-Enabled Service / VoIP | 2 | — | airespring.com |
| 156J | RCLEC Inc | Centennial, CO | IP-Enabled Service / VoIP | 1 | — | rclec.com |
| 820C | Intrado Communications LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 1 | — | att.com |