Area code 313
5,488 number blocks indexed across 48 carriers.
States: MI (5,488)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | 476 | 100 | att.com |
| 6003 | Cellco Partnership dba Verizon Wireless - MI | Olathe, KS | Wireless Carrier | 295 | 52 | verizonwireless.com |
| 543C | Onvoy LLC V - MI | Chicago, IL | Competitive Local Exchange Carrier | 476 | 19 | sinch.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 27 | 18 | dish.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 435 | 9 | metropcs.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 7 | 3 | hdcarrier.com |
| 2964 | Omnipoint Communications Midwest Operations LLC | Cedar Knolls, NJ | Personal Communications Service (Wireless) | 1,499 | 2 | t-mobile.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 6 | 2 | brightlink.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 883K | Ahoi LLC | Littleton, CO | IP-Enabled Service / VoIP | 2 | 2 | |
| 770E | Teleport Communications America LLC - MI | Bedminster, NJ | Competitive Local Exchange Carrier | 96 | 1 | att.com |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 3 | 1 | leap.tel |
| 9323 | Ameritech Michigan | Hoffman Estates, IL | Regional Bell Operating Company | 813 | — | att.com |
| 991E | Bandwidth.com CLEC LLC - MI | Cary, NC | Competitive Local Exchange Carrier | 410 | — | bandwidth.com |
| 6120 | Level 3 Communications LLC - MI | Westminster, CO | Competitive Local Exchange Carrier | 172 | — | centurylink.com |
| 7279 | MCImetro Access Transmission Services LLC - MI | Vienna, VA | Competitive Local Exchange Carrier | 146 | — | verizon.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 140 | — | |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 130 | — | comcast.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 81 | — | |
| 933G | Peerless Network of Michigan LLC - MI | Chicago, IL | Competitive Local Exchange Carrier | 61 | — | peerlessnetwork.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 27 | — | att.com |
| 9748 | American Messaging Services LLC | Lewisville, TX | Wireless Carrier | 24 | — | americanmessaging.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 16 | — | commio.com |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 13 | — | spok.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 13 | — | ||
| 2550 | 123.Net LLC | Grand Rapids, MI | Competitive Local Exchange Carrier | 12 | — | 123.net |
| 961J | WOW! Internet Cable and Phone | Evansville, IN | IP-Enabled Service / VoIP | 12 | — | wowinc.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 10 | — | vonage.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 10 | — | fractel.net |
| 460K | First Communications LLC | Oakbrook Terrace, IL | IP-Enabled Service / VoIP | 8 | — | |
| 817J | Interactive Services Network Inc | Madison Heights, MI | IP-Enabled Service / VoIP | 8 | — | |
| 9714 | Grid 4 Communications Inc - MI | Birmingham, MI | Underlying Local Exchange Carrier | 8 | — | grid4.com |
| 3212 | Zenk Group Ltd dba Planet Access - MI | Fenton, MI | Competitive Local Exchange Carrier | 6 | — | |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 6 | — | centurylink.com |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 5 | — | brightlink.com |
| 045L | BHN IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 4 | — | |
| 046L | Clear Rate Communications LLC | Troy, MI | IP-Enabled Service / VoIP | 4 | — | |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 4 | — | coretel.net |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 4 | — | five9.com |
| 495J | Stratus Networks Inc | Peoria Heights, IL | IP-Enabled Service / VoIP | 3 | — | stratusnet.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 2 | — | exiantcom.com |
| 3535 | ACD Telecom Inc - MI | East Lansing, MI | Competitive Local Exchange Carrier | 2 | — | acdtelecom.com |
| 597F | VOIP Innovations LLC | Pittsburgh, PA | IP-Enabled Service / VoIP | 2 | — | voipstreet.com |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 2 | — | skyetel.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 2 | — | att.com |
| 948H | Airus Inc - MI | Chicago, IL | Competitive Local Exchange Carrier | 2 | — | airustel.com |
| 156J | RCLEC Inc | Centennial, CO | IP-Enabled Service / VoIP | 1 | — | rclec.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 1 | — |