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: 661 [Rate centres in NPA 661] [Dial plan for NPA 661]

<< 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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-768 5 Taft CA FLWSCAXFRS2  4420 FRONTIER CALIFORNIA INC. 734      
661-768 6 Taft CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-768 7 Taft CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-768 8 Taft CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-768 9 Taft CA BKFDCAKTOMD  073H TELNYX LLC 734      
661-769 A Taft CA MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-769 0 Taft CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-769 2 Taft CA MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-769 3 Taft CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-769 4 Taft CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-769 5 Taft CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-769 6 Taft CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-769 7 Taft CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-769 8 Taft CA MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-769 9 Taft CA MRCPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-770 A Taft CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-770 0 Taft CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-770 1 Taft CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-770 2 Taft CA BKFDCAKTX1X  939H COMMIO, LLC 734      
661-770 3 Taft CA BKFDCAKTXXX  490J DISH WIRELESS, LLC 734      
661-770 4 Taft CA BKFDCAKTX5X  145J TERRA NOVA TELECOM INC. 734      
661-770 5 Taft CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-770 6 Taft CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-770 7 Taft CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-770 8 Taft CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-770 9 Taft CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-771 A Tehachapi CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-771 0 Tehachapi CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734      
661-771 1 Tehachapi CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-771 2 Tehachapi CA   649C ONVOY, LLC - CA 734      
661-771 3 Tehachapi CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-771 4 Tehachapi CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-771 5 Tehachapi CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-771 6 Tehachapi CA   649C ONVOY, LLC - CA 734      
661-771 7 Tehachapi CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-771 8 Tehachapi CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-772 A Wasco CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-772 0 Wasco CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-772 1 Wasco CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-772 2 Wasco CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-772 3 Wasco CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-772 4 Wasco CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-772 5 Wasco CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-772 6 Wasco CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-772 7 Wasco CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-772 8 Wasco CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-772 9 Wasco CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-773 A Walker Basin CA BKFDCA01X0X  516C AT&T CORP. 734      
661-773 2 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-773 3 Walker Basin CA BKFDCAKTOMD  073H TELNYX LLC 734      
661-773 5 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-773 7 Walker Basin CA BKFDCA01X0X  516C AT&T CORP. 734      
661-773 8 Walker Basin CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-773 9 Walker Basin CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-774 A Palmdale: Palmdale DA CA LSANCARC80Z  6967 33 WIRELESS INC. 730      
661-775 A Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-776 A Shafter CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-776 0 Shafter CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-776 1 Shafter CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-776 2 Shafter CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-776 3 Shafter CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-776 4 Shafter CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-776 5 Shafter CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-776 8 Shafter CA BKFDCAKTOMD  073H TELNYX LLC 734      
661-776 9 Shafter CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-777 A Lebec CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-777 0 Lebec CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-777 1 Lebec CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-777 2 Lebec CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-777 3 Lebec CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-777 4 Lebec CA   145J TERRA NOVA TELECOM INC. 734      
661-777 5 Lebec CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-777 6 Lebec CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-777 7 Lebec CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-777 8 Lebec CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-777 9 Lebec CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-778 A Delano CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-778 0 Delano CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-778 1 Delano CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-778 2 Delano CA   5562 METROPCS, INC. 734      
661-778 3 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-778 4 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-778 5 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-778 6 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-778 7 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-778 8 Delano CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-778 9 Delano CA   5562 METROPCS, INC. 734      
661-779 A Arvin CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-779 0 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 1 Arvin CA BKFDCA12DS1  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 734      
661-779 2 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 3 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 4 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 5 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 6 Arvin CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-779 7 Arvin CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-779 8 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-779 9 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-780 A Palmdale: Leona Valley DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-780 0 Palmdale: Leona Valley DA CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 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 >>

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.