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
661-636 6 Bakersfield: Main DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-636 7 Bakersfield: Main DA CA BKFDCA01VMD  5562 METROPCS, INC. 734      
661-636 8 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-636 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-637 A Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 0 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 1 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 2 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 3 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-637 4 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 5 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-637 6 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-637 7 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 8 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-637 9 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-638 A Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 0 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 1 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 2 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 3 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-638 4 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 5 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 6 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-638 7 Bakersfield: Main DA CA BKFDCA12DS0  9740 PACIFIC BELL 734      
661-638 8 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-638 9 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-639 A Lake Hughes CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
661-639 7 Lake Hughes CA LSANCAJWJMD  516J TON80 COMMUNICATIONS, LLC 730      
661-639 8 Lake Hughes CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730      
661-640 A Bakersfield: North DA CA   321J HD CARRIER LLC 734   2024-09-02   
661-640 0 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734      
661-640 1 Bakersfield: North DA CA   649C ONVOY, LLC - CA 734      
661-640 2 Bakersfield: North DA CA   732J NUSO, LLC 734      
661-640 3 Bakersfield: North DA CA   732J NUSO, LLC 734      
661-640 5 Bakersfield: North DA CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-640 6 Bakersfield: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-640 7 Bakersfield: North DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-640 8 Bakersfield: North DA CA   321J HD CARRIER LLC 734      
661-640 9 Bakersfield: North DA CA   321J HD CARRIER LLC 734      
661-641 A Edwards CA BKFDCA11XIX  622J SKYE TELECOM LLC DBA SKYETEL 734      
661-641 0 Edwards CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-641 1 Edwards CA BKFDCA11XIX  622J SKYE TELECOM LLC DBA SKYETEL 734      
661-641 4 Edwards CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-642 A Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2024-01-19   
661-642 0 Delano CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-642 1 Delano CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-642 6 Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-642 8 Delano CA   649C ONVOY, LLC - CA 734      
661-642 9 Delano CA   649C ONVOY, LLC - CA 734      
661-643 A Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-08-17   
661-643 0 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 1 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 2 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 3 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 4 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-643 5 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-643 6 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 7 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 8 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-643 9 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-644 A Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 0 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 1 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 2 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 3 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 4 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 5 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 6 Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-644 7 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-644 8 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-644 9 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-645 A Santa Clarita: Newhall-Castaic DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 A Lancaster CA   649C ONVOY, LLC - CA 730   2024-08-26   
661-646 0 Lancaster CA   649C ONVOY, LLC - CA 730      
661-646 3 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 4 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 5 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 6 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 7 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 8 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-646 9 Lancaster CA   6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-647 A Bakersfield: South DA CA   649C ONVOY, LLC - CA 734   2024-08-26   
661-647 0 Bakersfield: South DA CA   649C ONVOY, LLC - CA 734      
661-647 1 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-647 2 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-647 3 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 4 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 5 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 6 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 7 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 8 Bakersfield: South DA CA   6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-647 9 Bakersfield: South DA CA   981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-648 A Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-09-22   
661-648 0 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-648 1 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-648 2 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-648 6 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-648 7 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-648 9 Palmdale: Palmdale DA CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-649 A Arvin CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 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.