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 13 14 15 16 17 18 19 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
840-223 7 Calimesa CA   6529 T-MOBILE USA, INC. 730   2024-03-18   
840-223 8 Calimesa CA   6529 T-MOBILE USA, INC. 730   2024-03-18   
840-223 9 Calimesa CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2023-10-20   
840-224 A San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-224 0 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-03-23   
840-224 1 San Bernardino CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2023-02-04   
840-224 2 San Bernardino CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2023-02-04   
840-224 3 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 4 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 5 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 6 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 7 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 8 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-224 9 San Bernardino CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-01-20   
840-225 A Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
840-225 0 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 1 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 2 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 3 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 4 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 5 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 6 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 7 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 8 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-225 9 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-24   
840-226 A Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2024-01-23   
840-226 0 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 1 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 2 Pomona CA COVNCAXFX3Y  649C ONVOY, LLC - CA 730   2023-06-11   
840-226 3 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 4 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 5 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 6 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 7 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 8 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-226 9 Pomona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-06-13   
840-227 A San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-227 0 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-04   
840-227 1 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-04   
840-227 2 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-04   
840-227 3 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-04   
840-227 4 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-10   
840-227 5 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-12-20   
840-227 6 San Bernardino CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-11-25   
840-227 7 San Bernardino CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-05-11   
840-227 8 San Bernardino CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-05   
840-227 9 San Bernardino CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-05   
840-228 A Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
840-228 0 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-01   
840-228 1 Colton CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-06-01   

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.