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.

Rialto, CA

1 2 3 4 5 6 7 8 >>

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
840-220 A LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730      
840-220 0 LNBHCAXPXQX  981E BANDWIDTH.COM CLEC, LLC - CA 730   2022-11-13   
840-220 1 BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2023-10-16   
840-220 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-27   
840-220 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-12-12   
840-220 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-12-12   
840-220 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-05-11   
840-220 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-10-27   
840-220 7 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-08-11   
840-220 8 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-08-11   
840-220 9 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-07-15   
840-241 A LSANCARCD3S  649C ONVOY, LLC - CA 730      
840-241 0 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
840-241 1 LSANCAJW7MD  939H COMMIO, LLC 730   2024-01-28   
840-241 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2023-11-01   
840-241 3   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-02-05   
840-241 4   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-23   
840-241 5 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-15   
840-241 6 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-15   
840-241 7 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-12-15   
840-241 8 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-11-09   
840-241 9 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2023-11-09   
840-254 A   649C ONVOY, LLC - CA 730   2024-05-09   
840-254 0   649C ONVOY, LLC - CA 730   2024-05-09   
840-254 1   649C ONVOY, LLC - CA 730   2024-05-09   
840-254 2   649C ONVOY, LLC - CA 730   2024-05-09   
840-799 A LSANCAJWIMD  965H FRACTEL, LLC 730      
840-799 0 LSANCA03IMD  553J WHITESKY COMMUNICATIONS, LLC 730   2021-10-02   
840-799 1 LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 2 LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 3 LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 4 LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 5 LSANCAJW7MD  939H COMMIO, LLC 730   2021-10-11   
840-799 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2022-06-16   
840-799 7 LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730   2022-04-05   
840-799 8 LSANCARC32Z  073H TELNYX LLC 730   2022-05-22   
840-799 9 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-09-13   
840-900 A LSANCAJWIMD  965H FRACTEL, LLC 730      
840-900 0 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
840-900 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-04-05   
840-900 2 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-30   
840-900 3 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-30   
840-900 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-30   
840-900 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-30   
840-900 6 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-03   
840-900 7 RVSDCAYAGT1  6529 T-MOBILE USA, INC. 730   2022-04-03   
840-900 8 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2021-03-31   
840-900 9 LSANCAJWIMD  965H FRACTEL, LLC 730   2021-02-25   
909-233 A RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
909-233 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2007-05-11   

1 2 3 4 5 6 7 8 >>

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.