Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Columbia, SC

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
839-252 7 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2023-10-28   
839-252 8 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2023-10-28   
839-252 9 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2023-10-28   
839-262 A CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 0 CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 1 CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 2 CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 3 CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 4 CLMASCTLXZX  939H COMMIO, LLC 434   2024-04-05   
839-262 5 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-06-11   
839-262 6 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2024-04-18   
839-262 7 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2024-04-18   
839-262 8 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2024-04-18   
839-262 9 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-07-11   
839-288 A CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-05-31   
839-288 0 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-05-31   
839-288 1 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-06-01   
839-288 2 CLMASCSN37Z  732J NUSO, LLC 434   2024-06-26   
839-288 3 CLMASCSN37Z  732J NUSO, LLC 434   2024-06-26   
839-288 4 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-07-12   
839-288 5 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-07-12   
839-288 6 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2024-07-12   
839-288 7 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-10-27   
839-288 8 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2024-08-09   
839-288 9 CLMASCSNX2Z  077F BANDWIDTH.COM CLEC, LLC - SC 434   2024-08-09   
839-292 A CLMASCRJ3MD  475J CALLWORKS CORPORATION 434   2024-09-29   
839-292 0 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-10-27   
839-292 1   475J CALLWORKS CORPORATION 434   2024-09-29   
839-292 2 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-10-27   
839-292 3 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-11-12   
839-292 4 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-11-12   
839-292 5 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-11-12   
839-292 6 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-11-27   
839-292 8 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-12-10   
839-292 9 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-12-20   
839-313 A   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-313 5   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-313 6   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-313 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-313 8   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-313 9   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-06-13   
839-317 A   478J NUSO, LLC 434   2025-06-23   
839-317 1   478J NUSO, LLC 434   2025-06-23   
839-329 A CLMASCTLXCY  616J LEAP TELECOM, LLC 434   2025-02-09   
839-329 0 CLMASCTLXCY  616J LEAP TELECOM, LLC 434   2025-02-09   
839-329 1   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-02-15   
839-329 2   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-02-15   
839-329 3   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-03-23   
839-329 4   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-03-23   
839-329 5   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-03-23   
839-329 6   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-04-23   
839-329 7   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-04-24   
839-329 8   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-05-11   
839-329 9   6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2025-06-11   
839-399 A CLMASCSN38Z  622J SKYE TELECOM LLC DBA SKYETEL 434      
839-399 0 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-01-16   
839-399 1 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-01-16   
839-399 2 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-01-16   
839-399 3 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-01-16   
839-399 4 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-399 5 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-399 6 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-399 7 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-399 8 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-399 9 CLMASCSN38Z  622J SKYE TELECOM LLC DBA SKYETEL 434   2021-11-13   
839-810 A CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434      
839-810 0 CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434   2021-04-10   
839-810 1 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2021-04-11   
839-810 2 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2022-04-14   
839-810 3 CLMASCSN13Z  8645 SUNCOM DBA T-MOBILE USA 434   2021-04-16   
839-810 4 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-05-28   
839-810 5 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-05-28   
839-810 6 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-05-28   
839-810 7 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-08-23   
839-810 8 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-08-23   
839-810 9 CLMASCPQGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2021-08-23   
839-849 A CLMASCSN24Z  197D VONAGE AMERICA LLC 434      
839-849 0 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-03-23   
839-849 1 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-02-18   
839-849 2 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-03-23   
839-849 3 CLMASCSN24Z  197D VONAGE AMERICA LLC 434   2023-11-23   
839-849 4 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-03-23   
839-849 5 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-04-30   
839-849 6   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-05-09   
839-849 7   6214 NEW CINGULAR WIRELESS PCS, LLC - GA 434   2025-05-09   
839-849 8 CLMASCSN24Z  197D VONAGE AMERICA LLC 434   2023-11-23   
839-849 9 CLMASCLNQMD  6398 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - SC 434   2024-06-11   
839-895 A CLMASCSN29Z  506J TWILIO INTERNATIONAL, INC. 434      
839-895 0 CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434   2022-08-08   
839-895 1 CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434   2022-08-08   
839-895 2 CLMASCSN25Z  624H ONVOY SPECTRUM, LLC 434   2022-08-08   
839-895 3 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-895 4 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-895 5 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-895 6 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-895 7 CLMASCSNXSY  548E ONVOY, LLC - SC 434   2021-01-24   
839-895 8 CLMASCSN29Z  506J TWILIO INTERNATIONAL, INC. 434   2020-10-23   
839-895 9 CLMASCTLDS3  098H PEERLESS NETWORK OF SOUTH CAROLINA, LLC - SC 434   2021-03-03   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.