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
820-232 5 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-02   
820-232 6 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-02   
820-232 7 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-02   
820-232 8 Newbury Park CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-10-16   
820-232 9 Newbury Park CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-11-02   
820-233 A San Luis Obispo CA SNBBCAXF9MD  616J LEAP TELECOM, LLC 740   2024-11-22   
820-233 0 San Luis Obispo CA SNBBCAXF9MD  616J LEAP TELECOM, LLC 740   2024-11-22   
820-233 9 San Luis Obispo CA   649C ONVOY, LLC - CA 740   2025-04-06   
820-234 A Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730      
820-234 0 Oxnard CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2023-09-10   
820-234 1 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-04-17   
820-234 2 Oxnard CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-01-09   
820-234 3 Oxnard CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-01-09   
820-234 4 Oxnard CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2021-01-09   
820-234 5 Oxnard CA LSANCAJWIMD  965H FRACTEL, LLC 730   2020-11-14   
820-234 6 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-04-17   
820-234 7 Oxnard CA TRNECAGBGT3  899D METROPCS NETWORKS, LLC 730   2021-04-17   
820-234 8 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-01-01   
820-234 9 Oxnard CA TRNECAGBGT3  6529 T-MOBILE USA, INC. 730   2021-01-01   
820-235 A Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
820-235 0 Ventura Central CA   6529 T-MOBILE USA, INC. 730   2025-09-14   
820-235 1 Ventura Central CA   6529 T-MOBILE USA, INC. 730   2025-09-14   
820-235 6 Ventura Central CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-03   
820-235 9 Ventura Central CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2025-01-02   
820-236 A Santa Barbara CA SNLOCA118MD  478J NUSO, LLC 740   2025-01-04   
820-236 0 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 1 Santa Barbara CA SNLOCA118MD  478J NUSO, LLC 740   2025-01-04   
820-236 2 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 3 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 4 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 5 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 6 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 7 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 8 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-236 9 Santa Barbara CA GOLTCACEBMD  6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-01-06   
820-237 A Atascadero CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2025-02-10   
820-237 1 Atascadero CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-09-10   
820-237 2 Atascadero CA   6010 NEW CINGULAR WIRELESS PCS, LLC 740   2025-04-27   
820-237 3 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-05-25   
820-237 4 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-04-05   
820-237 5 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-04-05   
820-237 6 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-04-05   
820-237 7 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-02-23   
820-237 8 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-02-23   
820-237 9 Atascadero CA SNLOCA01XYX  6529 T-MOBILE USA, INC. 740   2025-02-10   
820-238 A Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 0 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 1 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 2 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 3 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 4 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 5 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 6 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 7 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 8 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-238 9 Camarillo CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-02-24   
820-239 A Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 0 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 1 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 2 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 3 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 4 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 5 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 6 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 7 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 8 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-239 9 Newbury Park CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-03-03   
820-240 A Santa Barbara CA   700J WAVENATION, LLC 740      
820-240 0 Santa Barbara CA   649C ONVOY, LLC - CA 740   2025-04-05   
820-240 1 Santa Barbara CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-05-05   
820-240 2 Santa Barbara CA   516C AT&T CORP. 740   2025-08-04   
820-240 3 Santa Barbara CA   732J NUSO, LLC 740   2025-08-14   
820-240 4 Santa Barbara CA   732J NUSO, LLC 740   2025-08-14   
820-240 5 Santa Barbara CA   700J WAVENATION, LLC 740   2025-10-06   
820-240 7 Santa Barbara CA   649C ONVOY, LLC - CA 740   2025-05-10   
820-240 8 Santa Barbara CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 740   2025-06-16   
820-240 9 Santa Barbara CA   649C ONVOY, LLC - CA 740   2025-05-10   
820-241 A Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-22   
820-241 0 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-08-24   
820-241 1 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-08-24   
820-241 2 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-10-31   
820-241 3 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-10-31   
820-241 4 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-29   
820-241 5 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-29   
820-241 6 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-29   
820-241 7 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-29   
820-241 8 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-22   
820-241 9 Atascadero CA   6529 T-MOBILE USA, INC. 740   2025-06-22   
820-242 A El Rio CA   649C ONVOY, LLC - CA 730   2025-11-09   
820-242 0 El Rio CA   649C ONVOY, LLC - CA 730   2025-11-09   
820-242 1 El Rio CA   516C AT&T CORP. 730   2026-01-06   
820-243 A Camarillo CA   649C ONVOY, LLC - CA 730   2025-11-23   
820-243 0 Camarillo CA   649C ONVOY, LLC - CA 730   2025-11-23   
820-243 1 Camarillo CA   516C AT&T CORP. 730   2026-01-06   
820-244 A Santa Maria CA   649C ONVOY, LLC - CA 740   2025-11-24   
820-244 0 Santa Maria CA   649C ONVOY, LLC - CA 740   2025-11-24   
820-280 A Los Alamos CA SNBBCAXFXHY  321J HD CARRIER LLC 740      
820-280 0 Los Alamos CA SNLOCA01XCX  981E BANDWIDTH.COM CLEC, LLC - CA 740   2021-06-17   
820-280 1 Los Alamos CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-07-28   
820-280 2 Los Alamos CA SNLOCA01XFX  649C ONVOY, LLC - CA 740   2021-08-13   

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

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.