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: 820 [Rate centres in NPA 820] [Dial plan for NPA 820]

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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
820-356 9 Point Mugu CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-03-14   
820-380 A Pismo Beach CA SNLOCA01XFX  649C ONVOY, LLC - CA 740      
820-380 0 Pismo Beach CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2023-08-24   
820-380 1 Pismo Beach CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2024-09-08   
820-380 2 Pismo Beach CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2023-01-23   
820-380 3 Pismo Beach CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2023-01-23   
820-380 4 Pismo Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-05-10   
820-380 5 Pismo Beach CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-09-10   
820-380 8 Pismo Beach CA SNLOCA01XEY  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2024-11-12   
820-380 9 Pismo Beach CA   624H ONVOY SPECTRUM, LLC 740   2025-01-30   
820-386 A Simi Valley CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-386 0 Simi Valley CA LSANCA543MD  073H TELNYX LLC 730   2022-08-12   
820-386 1 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-26   
820-386 2 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-26   
820-386 3 Simi Valley CA LSANCAJWIMD  965H FRACTEL, LLC 730   2022-07-30   
820-386 4 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-26   
820-386 5 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-26   
820-386 6 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-08-26   
820-386 7 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-17   
820-386 8 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-17   
820-386 9 Simi Valley CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-17   
820-400 A Parkfield CA SNLOCA01XLY  506J TWILIO INTERNATIONAL, INC. 740      
820-400 0 Parkfield CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2019-03-01   
820-400 1 Parkfield CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2019-03-01   
820-400 2 Parkfield CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-400 3 Parkfield CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-400 4 Parkfield CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2019-07-16   
820-400 5 Parkfield CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-30   
820-400 6 Parkfield CA SNLOCA01XFY  516J TON80 COMMUNICATIONS, LLC 740   2021-10-30   
820-400 8 Parkfield CA   624H ONVOY SPECTRUM, LLC 740   2025-01-30   
820-400 9 Parkfield CA SNLOCA01XLY  506J TWILIO INTERNATIONAL, INC. 740   2022-06-17   
820-426 A Camarillo CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
820-426 0 Camarillo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-06-24   
820-426 1 Camarillo CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-01-30   
820-426 2 Camarillo CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2023-04-28   
820-426 3 Camarillo CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-21   
820-426 4 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-09-14   
820-426 5 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-11   
820-426 6 Camarillo CA LSANCAJWRMD  026K BARR TELL USA, LLC 730   2022-06-24   
820-426 7 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-11   
820-426 8 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-12-11   
820-426 9 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-05-08   
820-432 A Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-432 0 Newbury Park CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-08   
820-432 1 Newbury Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-02-10   
820-432 2 Newbury Park CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2021-12-05   
820-432 3 Newbury Park CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2021-12-05   
820-432 4 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-21   
820-432 5 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-21   
820-432 6 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-21   
820-432 7 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-21   
820-432 8 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-10-07   
820-432 9 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2022-08-21   
820-444 A Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-444 0 Newbury Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2020-08-26   
820-444 1 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 2 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 3 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 4 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 5 Newbury Park CA LSANCAJWIMD  965H FRACTEL, LLC 730   2019-03-26   
820-444 6 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 7 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-444 8 Newbury Park CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2021-07-22   
820-444 9 Newbury Park CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-07-28   
820-465 A Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-465 0 Oxnard CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-28   
820-465 1 Oxnard CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-28   
820-465 2 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-10-01   
820-465 3 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-10-01   
820-465 4 Oxnard CA   516C AT&T CORP. 730   2026-01-06   
820-465 5 Oxnard CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2020-11-05   
820-465 6 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
820-465 7 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2020-11-14   
820-465 8 Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-09-10   
820-465 9 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-01-01   
820-500 A Gaviota CA SNBBCAXFXIY  965H FRACTEL, LLC 740      
820-500 0 Gaviota CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2020-01-31   
820-500 1 Gaviota CA SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740   2021-06-17   
820-500 2 Gaviota CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2020-06-08   
820-500 3 Gaviota CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2020-06-08   
820-500 4 Gaviota CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-500 5 Gaviota CA SNBBCAXFXIY  965H FRACTEL, LLC 740   2020-01-31   
820-500 6 Gaviota CA SNBBCAXFXCY  939H COMMIO, LLC 740   2022-02-21   
820-500 7 Gaviota CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-500 8 Gaviota CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-03-04   
820-500 9 Gaviota CA SNLOCA01XFY  516J TON80 COMMUNICATIONS, LLC 740   2021-11-05   
820-502 A Simi Valley CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-02-08   
820-502 0 Simi Valley CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730   2024-02-08   
820-502 1 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 2 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 3 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 4 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 5 Simi Valley CA   732J NUSO, LLC 730   2025-05-04   
820-502 6 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-04-08   
820-502 7 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-04-08   
820-502 8 Simi Valley CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2024-02-23   
820-502 9 Simi Valley CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2024-02-09   
820-529 A Piru CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-529 0 Piru CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-10-24   
820-529 1 Piru CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-28   

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

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.