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
661-438 3 Wasco CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-438 4 Wasco CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734      
661-438 5 Wasco CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-438 6 Wasco CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-438 7 Wasco CA BKFDCA01X0X  516C AT&T CORP. 734      
661-438 8 Wasco CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-438 9 Wasco CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-439 A Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 0 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 1 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 2 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 3 Bakersfield: Main DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-439 4 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 5 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 6 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 7 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 8 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-439 9 Bakersfield: Main DA CA   6529 T-MOBILE USA, INC. 734      
661-440 A Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-440 0 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-440 1 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 2 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 3 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-440 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-440 6 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 7 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 8 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-440 9 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-441 A Palmdale: Palmdale DA CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
661-441 0 Palmdale: Palmdale DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-441 1 Palmdale: Palmdale DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-441 2 Palmdale: Palmdale DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-441 3 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-441 4 Palmdale: Palmdale DA CA ANHMCA01XEY  516C AT&T CORP. 730      
661-441 5 Palmdale: Palmdale DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-441 6 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-441 7 Palmdale: Palmdale DA CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
661-441 8 Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-441 9 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-442 A Santa Clarita: Newhall-Castaic DA CA BLPKCAAFCM0  0051 SHELCOMM 730      
661-443 A Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 0 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 1 Walker Basin CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-443 2 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 3 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 4 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 5 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 6 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 7 Walker Basin CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-443 8 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-443 9 Walker Basin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-444 A Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-444 0 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-444 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-444 2 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-444 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-444 4 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-444 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-444 6 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-444 7 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-444 8 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-444 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-445 A Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 0 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 1 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 2 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 3 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 4 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 5 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 6 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 7 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 8 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-445 9 Lancaster CA   6529 T-MOBILE USA, INC. 730      
661-446 A Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-446 0 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-446 1 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-446 2 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-446 3 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-446 4 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-446 5 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-446 6 Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-446 7 Delano CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-446 8 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-446 9 Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-447 A Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-447 0 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 1 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 2 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 3 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 4 Bakersfield: Main DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-447 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 6 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-447 7 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-447 8 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-447 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-448 A Bakersfield: Main DA CA BKFDCA11RMD  551G NUSO, LLC 734      
661-448 0 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-448 1 Bakersfield: Main DA CA BKFDCA11RMD  551G NUSO, LLC 734      
661-448 2 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.