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: 951 [Rate centres in NPA 951] [Dial plan for NPA 951]

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
951-263 7 Riverside CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2009-08-10   
951-263 8 Riverside CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730   2009-09-04   
951-263 9 Riverside CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2025-01-26   
951-264 A Corona CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-265 A Temecula CA RVSDCALBCM4  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
951-266 A Riverside CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
951-266 0 Riverside CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-10   
951-266 1 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 2 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 3 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 4 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 5 Riverside CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-10   
951-266 6 Riverside CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-10   
951-266 7 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 8 Riverside CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-04-10   
951-266 9 Riverside CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2009-04-10   
951-267 A Banning CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2025-01-12   
951-267 1 Banning CA ONTRCAXPXQY  793K TWC IP ENABLED SERVICES, LLC 730   2013-08-01   
951-267 2 Banning CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2013-04-11   
951-267 3 Banning CA ONTRCAXPXQY  793K TWC IP ENABLED SERVICES, LLC 730   2013-07-22   
951-267 4 Banning CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2013-03-31   
951-267 5 Banning CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-12-16   
951-267 6 Banning CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-12-31   
951-267 7 Banning CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-12-31   
951-267 8 Banning CA ONTRCAXPXPY  649C ONVOY, LLC - CA 730   2012-12-31   
951-267 9 Banning CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-08-09   
951-268 A Corona CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730      
951-268 0 Corona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-268 1 Corona CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2009-07-07   
951-268 2 Corona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-268 3 Corona CA IRVECAEIDS2  7240 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 730   2009-04-19   
951-268 4 Corona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-268 5 Corona CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730   2010-07-03   
951-268 6 Corona CA ANHMCA01XEY  516C AT&T CORP. 730   2009-10-22   
951-268 7 Corona CA LSANCARCD3S  649C ONVOY, LLC - CA 730   2010-11-16   
951-268 8 Corona CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2010-04-16   
951-268 9 Corona CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2009-08-10   
951-269 A Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730      
951-269 0 Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2009-09-04   
951-269 1 Moreno CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-11-01   
951-269 2 Moreno CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730   2009-09-18   
951-269 3 Moreno CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-12-14   
951-269 4 Moreno CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730   2009-12-17   
951-269 5 Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-01-11   
951-269 6 Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-01-11   
951-269 7 Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-01-31   
951-269 8 Moreno CA RVSDCAYAGT1  899D METROPCS NETWORKS, LLC 730   2010-01-31   
951-269 9 Moreno CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2009-09-15   
951-270 A Corona CA CORNCA11DS0  9740 PACIFIC BELL 730      
951-270 0 Corona CA CORNCA11DS0  9740 PACIFIC BELL 730      

<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 >>

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.