Area code 737
3,314 number blocks indexed across 49 carriers.
States: TX (3,314)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | 506 | 98 | att.com |
| 903C | Onvoy LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 762 | 74 | sinch.com |
| 6506 | Cellco Partnership dba Verizon Wireless - TX | Olathe, KS | Wireless Carrier | 337 | 72 | verizonwireless.com |
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 476 | 41 | t-mobile.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 25 | 19 | |
| 7138 | Teleport Communications America LLC - TX | Staten Island, NY | Competitive Local Exchange Carrier | 154 | 7 | att.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 114 | 7 | |
| 177F | Peerless Network of Texas LLC - TX | Chicago, IL | Competitive Local Exchange Carrier | 83 | 7 | peerlessnetwork.com |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 19 | 5 | dish.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 14 | 3 | brightlink.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 7 | 3 | hdcarrier.com |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 004F | Bandwidth.com CLEC LLC - TX | Cary, NC | Competitive Local Exchange Carrier | 227 | 1 | bandwidth.com |
| 793K | TWC IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 52 | 1 | |
| 7249 | MCImetro Access Transmission Services LLC - TX | Vienna, VA | Competitive Local Exchange Carrier | 18 | 1 | verizon.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 3 | 1 | terranova.net |
| 6114 | Level 3 Communications LLC - TX | Westminster, CO | Competitive Local Exchange Carrier | 73 | — | centurylink.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 56 | — | coretel.net |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 54 | — | metropcs.com |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 54 | — | commio.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 52 | — | telnyx.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 47 | — | fractel.net |
| 158H | Invoxio Incorporated | Fort Myers, FL | IP-Enabled Service / VoIP | 22 | — | |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 20 | — | vonage.com |
| 319D | Foremost Telecommunications Corporation - TX | Dallas, TX | Competitive Local Exchange Carrier | 18 | — | foremosttelecom.com |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 318C | Cebridge Telecom TX LP - TX | Atlanta, GA | Competitive Local Exchange Carrier | 10 | — | altice.com |
| 671J | U.S. Telepacific Corporation dba TPx Communications | Las Vegas, NV | IP-Enabled Service / VoIP | 10 | — | tpx.com |
| 473F | USFon Inc - TX | West Lake Hills, TX | Competitive Local Exchange Carrier | 9 | — | usfon.org |
| 7551 | Austin Bestline Company | Austin, TX | Competitive Local Exchange Carrier | 8 | — | bestline.net |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 8 | — | |
| 9533 | Southwestern Bell Telephone Company | Dallas, TX | Regional Bell Operating Company | 8 | — | att.com |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 7 | — | centurylink.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 7 | — | att.com |
| 7670 | Grande Communications Networks Inc - TX | San Marcos, TX | Competitive Local Exchange Carrier | 5 | — | grandecom.com |
| 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 |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 4 | — | skyetel.com |
| 425J | CSC Wireless LLC | Long Island City, NY | Wireless Carrier | 3 | — | alticeusa.com |
| 114J | Exiant Communications LLC | Eldersburg, MD | IP-Enabled Service / VoIP | 2 | — | exiantcom.com |
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 2 | — | comcast.com |
| 436J | Hadlo Technologies LLC | Powell, OH | IP-Enabled Service / VoIP | 2 | — | hadlotechnologies.com |
| 475J | Callworks Corporation | Fair Oaks, TX | IP-Enabled Service / VoIP | 2 | — | callworks.me |
| 478J | NUSO LLC | Atlanta, GA | IP-Enabled Service / VoIP | 2 | — | brightlink.com |
| 597F | VOIP Innovations LLC | Pittsburgh, PA | IP-Enabled Service / VoIP | 2 | — | voipstreet.com |
| 763H | IP Global Networks - TX | Houston, TX | Competitive Local Exchange Carrier | 2 | — | |
| 996H | Airespring Inc | Van Nuys, CA | IP-Enabled Service / VoIP | 2 | — | airespring.com |
| 4344 | Frontier Southwest Incorporated dba Frontier Communications of Texas | Irving, TX | Regional Bell Operating Company | 1 | — | frontier.com |
| 997G | Local Access LLC - TX | Windermere, FL | Competitive Local Exchange Carrier | 1 | — |