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.

NPA: 341 [Rate centres in NPA 341] [Dial plan for NPA 341]

<< 1 2 3 4 5 6 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
341-799 0 Richmond CA   073H TELNYX LLC 722   2020-11-23   
341-799 1 Richmond CA   649C ONVOY, LLC - CA 722   2021-01-02   
341-799 2 Richmond CA   506J TWILIO INTERNATIONAL INC 722   2020-10-01   
341-799 3 Richmond CA   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-799 4 Richmond CA   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-799 5 Richmond CA   6529 T-MOBILE USA, INC. 722   2020-09-05   
341-799 6 Richmond CA   6529 T-MOBILE USA, INC. 722   2020-09-05   
341-799 7 Richmond CA   5562 METRO PCS, INC. 722   2020-07-26   
341-799 8 Richmond CA   5562 METRO PCS, INC. 722   2020-07-26   
341-799 9 Richmond CA   965H FRACTEL LLC 722   2020-07-25   
341-800 A Hayward CA SNJUCACL7MD  965H FRACTEL LLC 722      
341-800 0 Hayward CA   965H FRACTEL LLC 722   2020-01-24   
341-800 1 Hayward CA   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-800 2 Hayward CA   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-800 3 Hayward CA   6529 T-MOBILE USA, INC. 722   2020-10-09   
341-800 4 Hayward CA   649C ONVOY, LLC - CA 722   2021-01-08   
341-800 5 Hayward CA   649C ONVOY, LLC - CA 722   2021-01-08   
341-800 6 Hayward CA   649C ONVOY, LLC - CA 722   2021-01-08   
341-800 7 Hayward CA   649C ONVOY, LLC - CA 722   2021-01-08   
341-800 8 Hayward CA   965H FRACTEL LLC 722   2020-01-24   
341-800 9 Hayward CA   649C ONVOY, LLC - CA 722   2021-01-08   
341-888 A Fremont-Newark: Main DA CA SNFCCA21XCZ  252F WIDE VOICE, LLC - CA 722      
341-888 0 Fremont-Newark: Main DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 722   2019-08-09   
341-888 1 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 2 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 3 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 4 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 5 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 6 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 7 Fremont-Newark: Main DA CA   649C ONVOY, LLC - CA 722   2019-11-15   
341-888 8 Fremont-Newark: Main DA CA   252F WIDE VOICE, LLC - CA 722   2019-07-29   
341-888 9 Fremont-Newark: Main DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 722   2021-04-28   
341-895 A Oakland: Alameda DA CA SNFCCAMKX5Y  506J TWILIO INTERNATIONAL INC 722      
341-895 0 Oakland: Alameda DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-10-27   
341-895 1 Oakland: Alameda DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 722   2020-10-27   
341-895 2 Oakland: Alameda DA CA   5562 METRO PCS, INC. 722   2020-10-27   
341-895 3 Oakland: Alameda DA CA   5562 METRO PCS, INC. 722   2020-10-27   
341-895 4 Oakland: Alameda DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 722   2020-11-07   
341-895 5 Oakland: Alameda DA CA   649C ONVOY, LLC - CA 722   2020-12-04   
341-895 6 Oakland: Alameda DA CA   649C ONVOY, LLC - CA 722   2020-12-04   
341-895 7 Oakland: Alameda DA CA   649C ONVOY, LLC - CA 722   2020-12-04   
341-895 8 Oakland: Alameda DA CA   506J TWILIO INTERNATIONAL INC 722   2020-10-26   
341-895 9 Oakland: Alameda DA CA   073H TELNYX LLC 722   2021-01-09   
341-900 A Crockett CA SNJUCACL7MD  965H FRACTEL LLC 722   2021-01-14   
341-900 0 Crockett CA   965H FRACTEL LLC 722   2021-01-14   
341-900 9 Crockett CA   965H FRACTEL LLC 722   2021-02-20   
341-946 A Oakland: Berkeley DA CA   965H FRACTEL LLC 722   2021-04-23   
341-946 3 Oakland: Berkeley DA CA   965H FRACTEL LLC 722   2021-04-23   
341-999 A Richmond CA SNJUCACL7MD  965H FRACTEL LLC 722      
341-999 0 Richmond CA   996H AIRESPRING INC 722   2020-05-18   

<< 1 2 3 4 5 6 >>

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.