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.

Riverside, CA

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

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
951-374 9 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2013-07-28   
951-377 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 0 TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
951-377 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-377 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-384 A LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
951-384 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-12-22   
951-384 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2013-12-22   
951-384 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-11-29   
951-384 3 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2023-08-31   
951-384 4 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2013-12-02   
951-384 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-25   
951-384 6 IRVNCASM1MD  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 730   2014-05-10   
951-384 7 IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2014-04-17   
951-384 8 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2014-05-17   
951-384 9 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2014-01-31   
951-394 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-394 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-21   
951-394 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-21   
951-394 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-21   
951-394 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-21   
951-394 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2014-07-22   
951-394 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2018-09-04   
951-394 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2018-09-04   
951-394 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2014-09-07   
951-394 8 ANHMCA01XEY  516C AT&T CORP. 730   2014-08-18   
951-394 9 LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2020-01-17   
951-405 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-405 0 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
951-405 1 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
951-405 2 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
951-405 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
951-405 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2016-07-21   
951-405 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-08-11   
951-405 6 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-08-11   
951-405 7 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2016-06-13   
951-405 8 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2016-05-03   
951-405 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-05-02   
951-410 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-410 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2016-10-08   
951-410 1 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2016-12-16   
951-410 2 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2016-12-31   
951-410 3 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2016-12-31   
951-410 4 SHOKCA02IMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 730   2017-03-20   
951-410 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-04   
951-410 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-12-04   
951-410 7 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2018-04-14   
951-410 8 LSANCARCD3S  649C ONVOY, LLC - CA 730   2021-07-30   
951-410 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-09-30   
951-425 A RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
951-425 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2014-12-15   
951-425 1 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2015-01-16   
951-425 2 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2015-01-16   
951-425 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-25   
951-425 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-11-20   
951-425 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2014-11-20   
951-425 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2019-05-12   
951-425 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-25   
951-425 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-02-25   
951-425 9 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2014-11-13   
951-452 A RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-453 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 0 RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
951-453 1 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 2 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 4 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 5 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 7 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-453 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-462 A TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
951-462 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-12-06   
951-462 1 RVSDCAQUPS0  776C CHARTER FIBERLINK CA-CCO, LLC - CA 730   2015-05-03   
951-462 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-08-30   
951-462 3 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-12   
951-462 4 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-11   
951-462 5 LSANCARCD3S  649C ONVOY, LLC - CA 730   2016-03-11   
951-462 6 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2016-03-28   
951-462 7 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2016-01-22   
951-462 8 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-11   
951-462 9 TRNECAGB7MD  6529 T-MOBILE USA, INC. 730   2015-04-11   
951-465 A LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
951-465 0 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-12-06   
951-465 1 RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2015-12-06   
951-465 2 LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2015-06-07   
951-465 3 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-15   
951-465 4 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-15   
951-465 5 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-15   
951-465 6 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-15   
951-465 7 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-08-15   
951-465 8 LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2015-04-16   

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

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.