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.

Richmond, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
341-242 7   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 8   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-242 9   6529 T-MOBILE USA, INC. 722   2024-01-12   
341-247 A SNFCCAMKDS3  649C ONVOY, LLC - CA 722   2024-04-12   
341-247 0   649C ONVOY, LLC - CA 722   2024-04-12   
341-247 1   649C ONVOY, LLC - CA 722   2024-04-12   
341-247 2   649C ONVOY, LLC - CA 722   2026-01-11   
341-247 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-06-30   
341-247 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-07-30   
341-247 5   649C ONVOY, LLC - CA 722   2024-07-27   
341-247 8   649C ONVOY, LLC - CA 722   2024-04-13   
341-247 9   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2024-04-26   
341-300 A SNJUCACL7MD  965H FRACTEL, LLC 722      
341-300 0   965H FRACTEL, LLC 722   2020-11-14   
341-300 1   649C ONVOY, LLC - CA 722   2021-01-02   
341-300 2   649C ONVOY, LLC - CA 722   2021-01-02   
341-300 3   965H FRACTEL, LLC 722   2020-11-14   
341-300 4   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 5   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 6   649C ONVOY, LLC - CA 722   2022-10-10   
341-300 7   649C ONVOY, LLC - CA 722   2025-11-28   
341-300 8   7145 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 722   2020-12-01   
341-300 9   649C ONVOY, LLC - CA 722   2021-01-02   
341-388 A SNJUCACL7MD  965H FRACTEL, LLC 722      
341-388 0   649C ONVOY, LLC - CA 722   2021-07-16   
341-388 1   145J TERRA NOVA TELECOM INC. 722   2025-08-25   
341-388 3   649C ONVOY, LLC - CA 722   2021-07-16   
341-388 5   649C ONVOY, LLC - CA 722   2021-08-08   
341-388 6   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2022-09-19   
341-388 8   965H FRACTEL, LLC 722   2021-06-19   
341-388 9   6529 T-MOBILE USA, INC. 722   2021-07-15   
341-799 A SNJUCACL7MD  965H FRACTEL, LLC 722      
341-799 0   073H TELNYX LLC 722   2020-11-23   
341-799 1   649C ONVOY, LLC - CA 722   2021-01-02   
341-799 2   649C ONVOY, LLC - CA 722   2024-08-13   
341-799 3   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-799 4   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-799 5   6529 T-MOBILE USA, INC. 722   2020-09-05   
341-799 6   6529 T-MOBILE USA, INC. 722   2020-09-05   
341-799 7   5562 METROPCS, INC. 722   2020-07-26   
341-799 8   5562 METROPCS, INC. 722   2020-07-26   
341-799 9   965H FRACTEL, LLC 722   2020-07-25   
341-999 A SNJUCACL7MD  965H FRACTEL, LLC 722      
341-999 0   996H AIRESPRING, INC. 722   2020-05-18   
341-999 1   5562 METROPCS, INC. 722   2019-09-13   
341-999 2   649C ONVOY, LLC - CA 722   2019-09-18   
341-999 3   649C ONVOY, LLC - CA 722   2019-09-18   
341-999 4   649C ONVOY, LLC - CA 722   2019-09-18   
341-999 5   649C ONVOY, LLC - CA 722   2019-09-18   
341-999 6   6529 T-MOBILE USA, INC. 722   2019-09-14   

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

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

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.