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: 840 [Rate centres in NPA 840] [Dial plan for NPA 840]

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

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-277 3 Claremont-San Dimas CA   624H ONVOY SPECTRUM, LLC 730   2025-05-16   
840-277 4 Claremont-San Dimas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-12   
840-277 5 Claremont-San Dimas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-05-29   
840-277 6 Claremont-San Dimas CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-05-29   
840-277 8 Claremont-San Dimas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-12   
840-277 9 Claremont-San Dimas CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2025-05-12   
840-278 A Arrowhead CA   6529 T-MOBILE USA, INC. 730   2025-08-15   
840-278 7 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2025-08-15   
840-278 8 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2025-08-15   
840-278 9 Arrowhead CA   6529 T-MOBILE USA, INC. 730   2025-08-15   
840-284 A Chino CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730      
840-284 0 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-19   
840-284 1 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-19   
840-284 2 Chino CA LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
840-284 3 Chino CA LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
840-284 4 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2024-04-04   
840-284 5 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2024-04-04   
840-284 6 Chino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-19   
840-284 7 Chino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
840-284 8 Chino CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2023-12-18   
840-284 9 Chino CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2024-07-16   
840-300 A Redlands CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-300 0 Redlands CA   965H FRACTEL, LLC 730   2021-09-13   
840-300 1 Redlands CA LSANCARC32Z  073H TELNYX LLC 730   2021-09-19   
840-300 2 Redlands CA LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-02   
840-300 3 Redlands CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-09-13   
840-300 4 Redlands CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-300 5 Redlands CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-300 6 Redlands CA LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-300 7 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-300 8 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-300 9 Redlands CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-333 A Pomona CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-333 0 Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2021-07-30   
840-333 1 Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2021-07-30   
840-333 2 Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2021-07-30   
840-333 3 Pomona CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
840-333 4 Pomona CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
840-333 5 Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2021-07-30   
840-333 6 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-333 7 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-333 8 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-333 9 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-07-30   
840-336 A Colton CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-336 0 Colton CA LSANCARC32Z  073H TELNYX LLC 730   2022-04-22   
840-336 1 Colton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-05-20   
840-336 2 Colton CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2022-05-20   
840-336 3 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-07-14   
840-336 4 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-07-14   
840-336 5 Colton CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-04-07   
840-336 6 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-09-19   
840-336 7 Colton CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-09-16   
840-336 8 Colton CA LSANCAJWIMD  965H FRACTEL, LLC 730   2022-04-21   
840-336 9 Colton CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-09-16   
840-345 A Pomona CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-345 0 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 1 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 2 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 3 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 4 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 5 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 6 Pomona CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-09-06   
840-345 7 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 8 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-345 9 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-09-30   
840-356 A Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-356 0 Arrowhead CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2022-04-22   
840-356 1 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 2 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 3 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 4 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 5 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 6 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 7 Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730   2022-04-21   
840-356 8 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-22   
840-356 9 Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730   2022-04-21   
840-400 A Ontario CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-400 0 Ontario CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-03-06   
840-400 1 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
840-400 2 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
840-400 3 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
840-400 4 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2023-02-05   
840-400 5 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-07-30   
840-400 6 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-400 7 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-400 8 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2021-10-03   
840-400 9 Ontario CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2022-12-15   
840-444 A Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-444 0 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-05-02   
840-444 1 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-05-02   
840-444 2 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 3 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 4 Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
840-444 5 Arrowhead CA LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
840-444 6 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 7 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 8 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-444 9 Arrowhead CA RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2021-02-26   
840-465 A Chino CA LSANCAJWIMD  965H FRACTEL, LLC 730      
840-465 0 Chino CA LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2021-09-11   

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

Last updated: Fri, 25 Jul 2025 03:21:23 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.