Area code 336
5,918 number blocks indexed across 60 carriers.
States: NC (5,918)
Carriers
| OCN | Company | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|
| 638E | Onvoy LLC - NC | Chicago, IL | Competitive Local Exchange Carrier | 457 | 19 | sinch.com |
| 6324 | Cellco Partnership dba Verizon Wireless - NC | Olathe, KS | Wireless Carrier | 842 | 11 | verizonwireless.com |
| 145J | Terra Nova Telecom Inc | Lakewood Ranch, FL | IP-Enabled Service / VoIP | 8 | 8 | terranova.net |
| 490J | Boost SubscriberCo LLC | Washington, DC | Wireless Carrier | 15 | 6 | dish.com |
| 6214 | New Cingular Wireless PCS LLC - GA | Atlanta, GA | Wireless Carrier | 402 | 3 | att.com |
| 321J | HD Carrier LLC | Henderson, NV | IP-Enabled Service / VoIP | 2 | 2 | hdcarrier.com |
| 998E | Bandwidth.com CLEC LLC - NC | Cary, NC | Competitive Local Exchange Carrier | 314 | 1 | bandwidth.com |
| 793K | TWC IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 258 | 1 | |
| 3235 | Level 3 Communications LLC - NC | Westminster, CO | Competitive Local Exchange Carrier | 237 | 1 | centurylink.com |
| 0511 | Yadkin Valley Telephone Membership Corporation | Yadkinville, NC | Incumbent Local Exchange Carrier | 43 | 1 | zirrus.com |
| 5418 | Yadkin Valley Telecom Inc - NC | Yadkinville, NC | Competitive Local Exchange Carrier | 11 | 1 | zirrus.com |
| 9417 | Bellsouth Telecommunications Inc dba Southern Bell Telephone & Telegraph | Atlanta, GA | Regional Bell Operating Company | 779 | — | att.com |
| 8645 | SunCom dba T-Mobile USA | Charleston, SC | Personal Communications Service (Wireless) | 739 | — | t-mobile.com |
| 0471 | Brightspeed of North Carolina LLC | Overland Park, KS | Incumbent Local Exchange Carrier | 247 | — | centurylink.com |
| 829J | PAETEC iTel LLC | Charlotte, NC | IP-Enabled Service / VoIP | 198 | — | |
| 5562 | T-Mobile USA Inc | Dallas, TX | Personal Communications Service (Wireless) | 148 | — | metropcs.com |
| 7835 | MCImetro Access Transmission Services LLC - NC | Tampa, FL | Competitive Local Exchange Carrier | 113 | — | verizon.com |
| 0491 | North State Telephone Company dba North State Communications | High Point, NC | Incumbent Local Exchange Carrier | 107 | — | lumosfiber.com |
| 8389 | Teleport Communications America LLC - NC | Staten Island, NY | Competitive Local Exchange Carrier | 78 | — | att.com |
| 0503 | Surry Telephone Membership Corporation | Dobson, NC | Incumbent Local Exchange Carrier | 77 | — | surrytel.com |
| 7973 | Level 3 Telecom of North Carolina LP - NC | Littleton, CO | Competitive Local Exchange Carrier | 68 | — | twcable.com |
| 6282 | United States Cellular - NC | Chicago, IL | Wireless Carrier | 66 | — | uscellular.com |
| 5932 | Carolina West Wireless Inc | Wilkesboro, NC | Wireless Carrier | 61 | — | carolinawest.com |
| 0476 | Windstream North Carolina Inc | Little Rock, AR | Incumbent Local Exchange Carrier | 57 | — | windstream.com |
| 0483 | Windstream Lexcom Communications LLC | Little Rock, AR | Incumbent Local Exchange Carrier | 51 | — | windstream.com |
| 7970 | Windstream Communications Inc - NC | Little Rock, AR | Competitive Local Exchange Carrier | 48 | — | windstream.com |
| 508J | CenturyLink Communications LLC | Littleton, CO | IP-Enabled Service / VoIP | 47 | — | centurylink.com |
| 073H | Telnyx LLC | Chicago, IL | IP-Enabled Service / VoIP | 40 | — | telnyx.com |
| 0496 | Randolph Telephone Membership Corporation | Asheboro, NC | Incumbent Local Exchange Carrier | 39 | — | rtelco.net |
| 350F | Peerless Network of North Carolina LLC - NC | Chicago, IL | Competitive Local Exchange Carrier | 32 | — | peerlessnetwork.com |
| 624H | Onvoy Spectrum LLC | Broomfield, CO | Wireless Carrier | 32 | — | |
| 0501 | Skyline Telephone Membership Corporation | West Jefferson, NC | Incumbent Local Exchange Carrier | 28 | — | skybest.com |
| 792K | Charter IP Enabled Services LLC | Saint Louis, MO | IP-Enabled Service / VoIP | 27 | — | |
| 516J | Ton80 Communications LLC | Anderson, SC | IP-Enabled Service / VoIP | 25 | — | coretel.net |
| 4809 | CenturyLink Communications LLC - NC | Mebane, NC | Competitive Local Exchange Carrier | 23 | — | centurylink.com |
| 0510 | Wilkes Telephone Membership Corporation | Wilkesboro, NC | Incumbent Local Exchange Carrier | 22 | — | wilkes.net |
| 516C | AT&T Enterprises LLC | San Antonio, TX | IP-Enabled Service / VoIP | 22 | — | att.com |
| 0470 | Brightspeed of Eastern North Carolina LLC | Overland Park, KS | Incumbent Local Exchange Carrier | 16 | — | centurylink.com |
| 769H | RiverStreet Communications of North Carolina Inc - NC | Wilkesboro, NC | Competitive Local Exchange Carrier | 14 | — | myriverstreet.net |
| MULT | Multiple OCN Listing | Administrative / Reserved | 14 | — | ||
| 0485 | Brightspeed of Central North Carolina LLC | Monroe, LA | Incumbent Local Exchange Carrier | 13 | — | centurylink.com |
| 197D | Vonage America LLC | Holmdel, NJ | IP-Enabled Service / VoIP | 12 | — | vonage.com |
| 511C | South Carolina Net Inc - NC | Columbia, SC | Competitive Local Exchange Carrier | 12 | — | |
| 361F | North State Communications Advanced Services LLC - NC | High Point, NC | Competitive Local Exchange Carrier | 11 | — | nscom.com |
| 035B | Piedmont Communications Services Inc - NC | Dobson, NC | Competitive Local Exchange Carrier | 9 | — | surry.net |
| 6630 | Spok Inc | Plano, TX | Wireless Carrier | 9 | — | spok.com |
| 4792 | XO North Carolina Inc | Reston, VA | Competitive Local Exchange Carrier | 7 | — | verizon.com |
| 440G | Frontier Communications of America Inc - NC | Rochester, NY | Competitive Local Exchange Carrier | 6 | — | frontier.com |
| 757D | Randolph Telephone Telecommunications Inc - NC | Asheboro, NC | Competitive Local Exchange Carrier | 5 | — | rtelco.net |
| 939H | Commio LLC | Austin, TX | IP-Enabled Service / VoIP | 5 | — | commio.com |
| 0497 | Surry Telephone Membership Corporation | Lexington, NC | Incumbent Local Exchange Carrier | 4 | — | ptmc.net |
| 795D | Wilkes Communications Inc - NC | Wilkesboro, NC | Competitive Local Exchange Carrier | 4 | — | wilkes.net |
| 5307 | Ready Telecom Inc - NC | Asheboro, NC | Competitive Local Exchange Carrier | 3 | — | readytelecom.com |
| 7229 | MCImetro Access Transmission Services LLC | Vienna, VA | Competitive Local Exchange Carrier | 2 | — | verizon.com |
| 732J | NUSO LLC | University City, MO | IP-Enabled Service / VoIP | 2 | — | brightlink.com |
| 7421 | AT&T Local | Bedminster, NJ | Competitive Local Exchange Carrier | 2 | — | att.com |
| 965H | Fractel LLC | Indialantic, FL | IP-Enabled Service / VoIP | 2 | — | fractel.net |
| 156J | RCLEC Inc | Centennial, CO | IP-Enabled Service / VoIP | 1 | — | rclec.com |
| 6023 | Reisenweaver Communications Inc dba RCS Communications Group | Winston Salem, NC | Wireless Carrier | 1 | — | rcscom.com |
| 9539 | SkyBest Communications Inc - NC | West Jefferson, NC | Competitive Local Exchange Carrier | 1 | — | jsitel.com |