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
661-541 2 Bakersfield: Main DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-541 3 Bakersfield: Main DA CA   624H ONVOY SPECTRUM, LLC 734      
661-541 4 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-541 5 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-541 6 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-541 7 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-541 8 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-541 9 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-542 A Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-542 0 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-542 1 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-542 2 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-542 3 Santa Clarita: Saugus Canyon Country DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-542 4 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-542 5 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-542 6 Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-542 7 Santa Clarita: Saugus Canyon Country DA CA SHOKCA022MD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 730      
661-542 8 Santa Clarita: Saugus Canyon Country DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-542 9 Santa Clarita: Saugus Canyon Country DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
661-543 A McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 0 McFarland CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-543 1 McFarland CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-543 2 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 3 McFarland CA BKFDCAKTOMD  073H TELNYX LLC 734      
661-543 4 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 5 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-543 6 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 7 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 8 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-543 9 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-544 A Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-544 0 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-544 1 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-544 2 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-544 3 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-544 4 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-544 5 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-544 6 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-544 7 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730      
661-544 8 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-544 9 Palmdale: Palmdale DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-545 A Delano CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-545 0 Delano CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-545 1 Delano CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-545 2 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-545 3 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-545 4 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-545 5 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-545 6 Delano CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-545 7 Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-545 8 Delano CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-545 9 Delano CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 A Bakersfield: Main DA CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-546 0 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 1 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 2 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 3 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 4 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-546 5 Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-546 6 Bakersfield: Main DA CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-546 7 Bakersfield: Main DA CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-546 8 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-546 9 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-547 A Lancaster CA   6529 T-MOBILE USA, INC. 730      
661-547 0 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 1 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 2 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 3 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 4 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 5 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 6 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 7 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 8 Lancaster CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730      
661-547 9 Lancaster CA   899D METROPCS NETWORKS, LLC 730      
661-548 A California Hot Springs CA CHSPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-548 2 California Hot Springs CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-548 3 California Hot Springs CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-548 4 California Hot Springs CA   145J TERRA NOVA TELECOM INC. 734      
661-548 6 California Hot Springs CA CHSPCAXFRS1  4420 FRONTIER CALIFORNIA INC. 734      
661-548 7 California Hot Springs CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734      
661-548 8 California Hot Springs CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-549 A Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-550 A Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-550 0 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-550 1 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-550 2 Big Butte CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-550 7 Big Butte CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
661-550 8 Big Butte CA LSANCA03GMD  624H ONVOY SPECTRUM, LLC 730      
661-550 9 Big Butte CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
661-551 A Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-551 0 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-551 1 Berrenda Mesa CA   515J IP HORIZON LLC 734      
661-551 2 Berrenda Mesa CA   515J IP HORIZON LLC 734      
661-551 3 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-551 6 Berrenda Mesa CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-551 8 Berrenda Mesa CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-552 A Earlimart CA   515J IP HORIZON LLC 734      
661-552 0 Earlimart CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-552 1 Earlimart CA   515J IP HORIZON LLC 734      
661-552 2 Earlimart CA   515J IP HORIZON LLC 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: ISP Telecom

Like this site? We accept donations via PayPal.