Area code 572
1,020 number blocks indexed across 34 carriers.
States: OK (1,020)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 6272 | United States Cellular - OK | Chicago, IL | Wireless Carrier | 203 | 203 | uscellular.com |
| 6534 | New Cingular Wireless PCS LLC - IL | Atlanta, GA | Wireless Carrier | 158 | 82 | att.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 50 | 38 | |
| 409F | Onvoy LLC - OK | Chicago, IL | Competitive Local Exchange Carrier | 193 | 23 | sinch.com |
| 6529 | T-Mobile USA Inc | Bellevue, WA | Personal Communications Service (Wireless) | 76 | 17 | t-mobile.com |
| 515J | IP Horizon LLC | Orlando, FL | IP-Enabled Service / VoIP | 13 | 13 | |
| 5813 | Cellco Partnership dba Verizon Wireless - OK | Olathe, KS | Wireless Carrier | 21 | 11 | verizonwireless.com |
| 384H | Peerless Network of Oklahoma LLC - OK | Chicago, IL | Competitive Local Exchange Carrier | 30 | 5 | peerlessnetwork.com |
| 530C | Teleport Communications America - OK - LLC | Bedminster, NJ | Competitive Local Exchange Carrier | 15 | 4 | att.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 5 | 4 | terranova.net |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 9 | 3 | dish.com |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 8 | 3 | metropcs.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 5 | 3 | hdcarrier.com |
| 128L | E. Ritter Communications LLC | Jonesboro, AR | IP-Enabled Service / VoIP | 2 | 2 | |
| 700J | Wavenation LLC | Chicago, IL | IP-Enabled Service / VoIP | 2 | 2 | peerlessnetwork.com |
| 119F | Bandwidth.com CLEC LLC - OK | Cary, NC | Competitive Local Exchange Carrier | 42 | 1 | bandwidth.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 55 | — | fractel.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 32 | — | commio.com |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 23 | — | coretel.net |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 318J | Comcast IP Phone LLC | Philadelphia, PA | IP-Enabled Service / VoIP | 11 | — | comcast.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 10 | — | telnyx.com |
| 5257 | Level 3 Communications LLC - OK | Broomfield, CO | Competitive Local Exchange Carrier | 9 | — | centurylink.com |
| 390E | Cebridge Telecom OK LLC dba Suddenlink Communications - OK | Saint Louis, MO | Competitive Local Exchange Carrier | 7 | — | altice.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 6 | — | brightlink.com |
| 598J | Five9 InC | San Ramon, CA | IP-Enabled Service / VoIP | 4 | — | five9.com |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 3 | — | att.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 2 | — | vonage.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 |
| 616J | Leap Telecom LLC | Denver, CO | IP-Enabled Service / VoIP | 2 | — | leap.tel |
| 622J | Skye Telecom LLC dba Skyetel | Vancouver, WA | IP-Enabled Service / VoIP | 2 | — | skyetel.com |
| 733J | Wiretap Telecom LLC | Miami, FL | IP-Enabled Service / VoIP | 2 | — | wiretaptelecom.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 2 | — |