Local-number carriers in South Carolina (SC)
← all states · area codes: 864 (6,087) · 803 (5,844) · 843 (5,227) · 839 (1,727) · 854 (1,502) · 821 (280)
Top carrier groups in South Carolina
Multiple state-OCNs from the same brand are rolled up here. Click into a group to see its full footprint.
| Group | Type | OCNs in SC | Blocks | Recent |
|---|---|---|---|---|
| AT&T | Wireless Carrier | 8 | 5,451 | 630 |
| Onvoy | Competitive Local Exchange Carrier | 1 | 2,418 | 126 |
| Verizon | Wireless Carrier | 3 | 2,927 | 122 |
| T-Mobile | Personal Communications Service (Wireless) | 3 | 2,716 | 112 |
| Terra Nova Telecom | IP-Enabled Service / VoIP | 1 | 35 | 32 |
| HD Carrier | IP-Enabled Service / VoIP | 1 | 30 | 21 |
| Dish Wireless | Wireless Carrier | 1 | 63 | 12 |
| Bandwidth.com | Competitive Local Exchange Carrier | 1 | 1,131 | 11 |
| Centurylink | Competitive Local Exchange Carrier | 5 | 1,092 | 11 |
| Wavenation | IP-Enabled Service / VoIP | 1 | 8 | 8 |
| Brightlink Communications | IP-Enabled Service / VoIP | 3 | 68 | 6 |
| Leap Telecom | IP-Enabled Service / VoIP | 1 | 6 | 6 |
| Peerless Network | Competitive Local Exchange Carrier | 1 | 294 | 5 |
| TWC IP Enabled Services | IP-Enabled Service / VoIP | 1 | 411 | 4 |
| Onvoy Spectrum | Wireless Carrier | 1 | 399 | 2 |
| Twilio International | IP-Enabled Service / VoIP | 1 | 12 | 2 |
| Vonage Network | IP-Enabled Service / VoIP | 1 | 37 | 1 |
| Windstream | IP-Enabled Service / VoIP | 3 | 1,182 | — |
| Frontier | Incumbent Local Exchange Carrier | 2 | 399 | — |
| Spirit Telecom | Competitive Local Exchange Carrier | 1 | 236 | — |
| Charter IP Enabled Services | IP-Enabled Service / VoIP | 1 | 198 | — |
| Commio | IP-Enabled Service / VoIP | 1 | 156 | — |
| TELNYX | IP-Enabled Service / VoIP | 1 | 145 | — |
| Ton80 Communications | IP-Enabled Service / VoIP | 1 | 130 | — |
| Comcast | IP-Enabled Service / VoIP | 1 | 125 | — |
All OCNs in South Carolina
| OCN | Company | Group | HQ | Type | Blocks | Recent | Website |
|---|---|---|---|---|---|---|---|
| 6214 | New Cingular Wireless PCS LLC - GA | AT&T | Atlanta | Wireless Carrier | 3,150 | 615 | att.com |
| 548E | Onvoy LLC - SC | Onvoy | Chicago | Competitive Local Exchange Carrier | 2,418 | 126 | sinch.com |
| 6398 | Cellco Partnership dba Verizon Wireless - SC | Verizon | Olathe | Wireless Carrier | 2,730 | 121 | verizonwireless.com |
| 7473 | Powertel Atlanta Licenses Inc | T-Mobile | Bellevue | Personal Communications Service (Wireless) | 409 | 68 | t-mobile.com |
| 8645 | SunCom dba T-Mobile USA | T-Mobile | Charleston | Personal Communications Service (Wireless) | 1,890 | 39 | t-mobile.com |
| 145J | Terra Nova Telecom Inc | Terra Nova Telecom | Lakewood Ranch | IP-Enabled Service / VoIP | 35 | 32 | terranova.net |
| 321J | HD Carrier LLC | HD Carrier | Henderson | IP-Enabled Service / VoIP | 30 | 21 | hdcarrier.com |
| 635C | Teleport Communications America - SC - LLC | AT&T | Bedminster | Competitive Local Exchange Carrier | 275 | 15 | att.com |
| 490J | Boost SubscriberCo LLC | Dish Wireless | Washington | Wireless Carrier | 63 | 12 | dish.com |
| 077F | Bandwidth.com CLEC LLC - SC | Bandwidth.com | Cary | Competitive Local Exchange Carrier | 1,131 | 11 | bandwidth.com |
| 5258 | Level 3 Communications LLC - SC | Centurylink | Broomfield | Competitive Local Exchange Carrier | 739 | 11 | centurylink.com |
| 700J | Wavenation LLC | Wavenation | Chicago | IP-Enabled Service / VoIP | 8 | 8 | peerlessnetwork.com |
| 478J | NUSO LLC | Brightlink Communications | Atlanta | IP-Enabled Service / VoIP | 6 | 6 | brightlink.com |
| 616J | Leap Telecom LLC | Leap Telecom | Denver | IP-Enabled Service / VoIP | 6 | 6 | leap.tel |
| 5562 | T-Mobile USA Inc | T-Mobile | Dallas | Personal Communications Service (Wireless) | 417 | 5 | metropcs.com |
| 098H | Peerless Network of South Carolina LLC - SC | Peerless Network | Chicago | Competitive Local Exchange Carrier | 294 | 5 | peerlessnetwork.com |
| 793K | TWC IP Enabled Services LLC | TWC IP Enabled Services | Saint Louis | IP-Enabled Service / VoIP | 411 | 4 | |
| 624H | Onvoy Spectrum LLC | Onvoy Spectrum | Broomfield | Wireless Carrier | 399 | 2 | |
| 506J | Twilio International Inc | Twilio International | San Francisco | IP-Enabled Service / VoIP | 12 | 2 | twilio.com |
| 8534 | MCImetro Access Transmission Services LLC - SC | Verizon | Tampa | Competitive Local Exchange Carrier | 167 | 1 | verizon.com |
| 197D | Vonage America LLC | Vonage Network | Holmdel | IP-Enabled Service / VoIP | 37 | 1 | vonage.com |
| 9417 | Bellsouth Telecommunications Inc dba Southern Bell Telephone & Telegraph | AT&T | Atlanta | Regional Bell Operating Company | 1,872 | — | att.com |
| 829J | PAETEC iTel LLC | Windstream | Charlotte | IP-Enabled Service / VoIP | 1,105 | — | |
| 4335 | Frontier Communications of the Carolinas Inc - SC | Frontier | Rochester | Incumbent Local Exchange Carrier | 354 | — | frontier.com |
| 1784 | South Carolina Net Inc - SC | Spirit Telecom | Columbia | Competitive Local Exchange Carrier | 236 | — | |
| 792K | Charter IP Enabled Services LLC | Charter IP Enabled Services | Saint Louis | IP-Enabled Service / VoIP | 198 | — | |
| 939H | Commio LLC | Commio | Austin | IP-Enabled Service / VoIP | 156 | — | commio.com |
| 073H | Telnyx LLC | TELNYX | Chicago | IP-Enabled Service / VoIP | 145 | — | telnyx.com |
| 508J | CenturyLink Communications LLC | Centurylink | Littleton | IP-Enabled Service / VoIP | 145 | — | centurylink.com |
| 516C | AT&T Enterprises LLC | AT&T | San Antonio | IP-Enabled Service / VoIP | 140 | — | att.com |
| 0506 | Brightspeed of South Carolina LLC | Centurylink | Overland Park | Incumbent Local Exchange Carrier | 131 | — | centurylink.com |
| 516J | Ton80 Communications LLC | Ton80 Communications | Anderson | IP-Enabled Service / VoIP | 130 | — | coretel.net |
| 318J | Comcast IP Phone LLC | Comcast | Philadelphia | IP-Enabled Service / VoIP | 125 | — | comcast.com |
| 965H | Fractel LLC | Fractel | Indialantic | IP-Enabled Service / VoIP | 98 | — | fractel.net |
| 527H | South Carolina Telecommunications Group Holdings LLC - SC | South Carolina Telecom Group | Columbia | Competitive Local Exchange Carrier | 88 | — | sctba.org |
| MULT | Multiple OCN Listing | MULTIPLE OCN LISTING | Administrative / Reserved | 81 | — | ||
| 0517 | Windstream South Carolina Inc | Windstream | Little Rock | Incumbent Local Exchange Carrier | 75 | — | windstream.com |
| 0546 | Sandhill Telephone Cooperative Inc | Sandhill Telephone Cooperative | Jefferson | Incumbent Local Exchange Carrier | 74 | — | shtc.net |
| 7273 | Level 3 Telecom of South Carolina LLC - SC | Centurylink | Columbia | Competitive Local Exchange Carrier | 60 | — | twcable.com |
| 0542 | Comporium Inc | Comporium Communications | Rock Hill | Incumbent Local Exchange Carrier | 53 | — | comporium.com |
| 0527 | Home Telephone ILEC LLC | Home Telephone Company | Moncks Corner | Incumbent Local Exchange Carrier | 50 | — | hometel.com |
| 0526 | Frontier Communications of the Carolinas Inc - SC | Frontier | Rochester | Incumbent Local Exchange Carrier | 45 | — | frontier.com |
| 0536 | Palmetto Rural Telephone Cooperative Inc | Palmetto Rural Telephone Cooperative | Walterboro | Incumbent Local Exchange Carrier | 37 | — | prtc.us |
| 0516 | Chester Telephone Company | Chester Telephone Company | Chester | Incumbent Local Exchange Carrier | 36 | — | truvista.net |
| 0538 | Piedmont Rural Telephone Cooperative Inc | Piedmont Rural Telephone Cooperative | Laurens | Incumbent Local Exchange Carrier | 33 | — | prtcnet.com |
| 551G | NUSO LLC | Brightlink Communications | Atlanta | Wireless Carrier | 32 | — | 365wireless.net |
| 288B | MCImetro Access Transmission Services LLC - SC | Verizon | Ashburn | Competitive Local Exchange Carrier | 30 | — | verizon.com |
| 6630 | Spok Inc | USA Mobility | Plano | Wireless Carrier | 30 | — | spok.com |
| 732J | NUSO LLC | Brightlink Communications | University City | IP-Enabled Service / VoIP | 30 | — | brightlink.com |
| 0520 | Farmers Telephone Cooperative Inc | Farmers Telephone Cooperative | Kingstree | Incumbent Local Exchange Carrier | 27 | — | fctc.coop |
| 154C | Palmetto Telephone Communications LLC - SC | Palmetto Telephone Communications | Walterboro | Competitive Local Exchange Carrier | 25 | — | lowcountry.com |
| 467E | IDT America Corporation - SC | IDT America | Newark | Competitive Local Exchange Carrier | 25 | — | idt.net |
| 0528 | Horry Telephone Cooperative Inc | Horry Telephone Cooperative | Conway | Incumbent Local Exchange Carrier | 24 | — | htcinc.net |
| 3453 | PBT Communications Inc - SC | PBT Communications | Gilbert | Competitive Local Exchange Carrier | 24 | — | comporium.compbt-communications |
| 961J | WOW! Internet Cable and Phone | WOW! Internet-Cable-Phone | Evansville | IP-Enabled Service / VoIP | 24 | — | wowinc.com |
| 0531 | Lancaster Telephone Company | Comporium Communications | Rock Hill | Incumbent Local Exchange Carrier | 22 | — | comporium.com |
| 0544 | St. Stephen Telephone Company | TDS | Madison | Incumbent Local Exchange Carrier | 20 | — | tdstelecom.com |
| 5344 | Level 3 Telecom of South Carolina LLC - SC | Centurylink | Littleton | Competitive Local Exchange Carrier | 17 | — | centurylink.com |
| 712C | Berkeley Cable Television Inc dba Home Telecom - SC | Home Telecom | Moncks Corner | Competitive Local Exchange Carrier | 17 | — | jsitel.com |
| 0521 | Fort Mill Telephone Company | Comporium Communications | Rock Hill | Incumbent Local Exchange Carrier | 16 | — | comporium.com |
| 0550 | West Carolina Rural Telephone Cooperative Inc | WestCarolinaTel | Abbeville | Incumbent Local Exchange Carrier | 14 | — | wctel.com |
| 0551 | Williston Telephone Company | TDS | Madison | Incumbent Local Exchange Carrier | 14 | — | tdstelecom.com |
| 1701 | PRTCommunications LLC - SC | PRT Communications | Laurens | Competitive Local Exchange Carrier | 14 | — | |
| 8960 | Horry Telephone Cooperative Inc - SC | Horry Telephone Cooperative | Conway | Competitive Local Exchange Carrier | 14 | — | htcinc.net |
| 4255 | FTC Diversified Services Inc | Farmers Telephone Cooperative | Kingstree | Competitive Local Exchange Carrier | 13 | — | ftc.org |
| 0523 | Hargray Telephone Company Inc | Hargray Telephone Company | Hilton Head Island | Incumbent Local Exchange Carrier | 12 | — | hargray.com |
| 622J | Skye Telecom LLC dba Skyetel | Skyetel | Vancouver | IP-Enabled Service / VoIP | 12 | — | skyetel.com |
| 364E | YMax Communications Corporation - SC | YMax Communications | Palm Beach | Competitive Local Exchange Carrier | 10 | — | ymaxcorp.com |
| 7421 | AT&T Local | AT&T | Bedminster | Competitive Local Exchange Carrier | 10 | — | att.com |
| 0533 | McClellanville Telephone Company Inc | TDS | Madison | Incumbent Local Exchange Carrier | 9 | — | tdstelecom.com |
| 0541 | Ridgeway Telephone Company Inc | Ridgeway Telephone Company | Chester | Incumbent Local Exchange Carrier | 9 | — | truvista.biz |
| 5385 | Hargray Inc - SC | Hargray | Hilton Head | Competitive Local Exchange Carrier | 9 | — | hargray.com |
| 863A | Fairfield Communications Inc - SC | Fairfield Communications | Chester | Competitive Local Exchange Carrier | 9 | — | truvista.net |
| 425J | CSC Wireless LLC | CSC Wireless | Long Island City | Wireless Carrier | 8 | — | alticeusa.com |
| 0512 | Bluffton Telephone Company Inc | Hargray Communications | Hilton Head Island | Incumbent Local Exchange Carrier | 6 | — | hargray.com |
| 0539 | PBT Telecom Inc | PBT Telecom | Gilbert | Incumbent Local Exchange Carrier | 6 | — | comporium.com |
| 475J | Callworks Corporation | Callworks Corporation | Fair Oaks | IP-Enabled Service / VoIP | 6 | — | callworks.me |
| 0535 | Norway Telephone Company Inc | TDS | Madison | Incumbent Local Exchange Carrier | 5 | — | tdstelecom.com |
| 8693 | US LEC of South Carolina Inc | Windstream Communications | Charlotte | Competitive Local Exchange Carrier | 5 | — | windstream.com |
| 515J | IP Horizon LLC | IP Horizon | Orlando | IP-Enabled Service / VoIP | 4 | — | |
| 5872 | West Carolina Communications LLC - SC | WestCarolinaTel | Abbeville | Competitive Local Exchange Carrier | 3 | — | wctel.com |
| 0515 | Chesnee Telephone Company | Chesnee Telephone Company | Chesnee | Incumbent Local Exchange Carrier | 2 | — | comporium.com |
| 114J | Exiant Communications LLC | Exiant | Eldersburg | IP-Enabled Service / VoIP | 2 | — | exiantcom.com |
| 156J | RCLEC Inc | RCLEC | Centennial | IP-Enabled Service / VoIP | 2 | — | rclec.com |
| 3572 | Windstream Communications LLC - SC | Windstream | Little Rock | Competitive Local Exchange Carrier | 2 | — | windstream.com |
| 495J | Stratus Networks Inc | Access2Go | Peoria Heights | IP-Enabled Service / VoIP | 2 | — | stratusnet.com |
| 8389 | Teleport Communications America LLC - NC | AT&T | Staten Island | Competitive Local Exchange Carrier | 2 | — | att.com |
| 0532 | Lockhart Telephone Company Inc | Lockhart Telephone Company | Chester | Incumbent Local Exchange Carrier | 1 | — | truvista.net |
| 067J | Sandhill Connextions LLC - SC | Sandhill Connextions | Jefferson | Competitive Local Exchange Carrier | 1 | — | shtc.net |
| 6013 | Mid-State Electronics Inc dba Metro-Page | METRO-PAGE | Columbia | Wireless Carrier | 1 | — | |
| 6019 | AAA Communications Ltd | AAA Communications | North Charleston | Wireless Carrier | 1 | — | |
| 653C | Teleport Communications America - LA - LLC | AT&T | Bedminster | Competitive Local Exchange Carrier | 1 | — | att.com |
| 8392 | Teleport Communications America LLC - GA | AT&T | Staten Island | Competitive Local Exchange Carrier | 1 | — | att.com |