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.

Folsom, CA

1 2 3 4 5 6 7 8 9 10 11 12 13 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
279-215 A SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-215 0   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-01-23   
279-215 1   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-01-23   
279-215 2   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-01-23   
279-215 3   624H ONVOY SPECTRUM, LLC 726   2022-01-24   
279-215 4   624H ONVOY SPECTRUM, LLC 726   2022-01-24   
279-215 5   624H ONVOY SPECTRUM, LLC 726   2022-01-24   
279-215 6   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-03-11   
279-215 7   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-03-11   
279-215 8   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-03-11   
279-215 9   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2022-01-24   
279-219 A SCRMCA01XXY  981E BANDWIDTH.COM CLEC, LLC - CA 726      
279-219 0   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-04-15   
279-219 1   981E BANDWIDTH.COM CLEC, LLC - CA 726   2022-04-15   
279-219 2   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-04-16   
279-219 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-08-04   
279-219 4   8826 LEVEL 3 COMMUNICATIONS, LLC - CA 726   2022-06-25   
279-219 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-09-05   
279-219 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-10-16   
279-219 7   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2022-05-16   
279-219 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-05-23   
279-219 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2022-07-05   
279-235 A WSCRCAKE1MD  5562 METROPCS, INC. 726      
279-235 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-03-04   
279-235 1   073H TELNYX LLC 726   2023-08-23   
279-235 2   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2023-09-24   
279-235 3   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 726   2023-10-19   
279-235 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-03-23   
279-235 5   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-04-24   
279-235 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-05-11   
279-235 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-06-12   
279-235 8   6010 NEW CINGULAR WIRELESS PCS, LLC 726   2022-12-12   
279-235 9   5562 METROPCS, INC. 726   2022-12-11   
279-239 A SCRMCA01XSY  649C ONVOY, LLC - CA 726      
279-239 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-09-10   
279-239 1   649C ONVOY, LLC - CA 726   2023-08-26   
279-239 2   649C ONVOY, LLC - CA 726   2023-08-26   
279-239 3   649C ONVOY, LLC - CA 726   2023-08-26   
279-239 4   649C ONVOY, LLC - CA 726   2023-08-26   
279-239 5   649C ONVOY, LLC - CA 726   2023-08-26   
279-239 6   649C ONVOY, LLC - CA 726   2023-10-30   
279-239 7   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-10-30   
279-239 8   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-10-16   
279-239 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-11-12   
279-245 A WSCRCAKE1MD  6529 T-MOBILE USA, INC. 726      
279-245 0   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2023-12-23   
279-245 1   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 726   2024-01-08   
279-245 2   939H COMMIO, LLC 726   2024-01-28   
279-245 3   6529 T-MOBILE USA, INC. 726   2024-01-19   
279-245 4   6529 T-MOBILE USA, INC. 726   2024-01-19   

1 2 3 4 5 6 7 8 9 10 11 12 13 >>

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.