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

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-402 A Palmdale: Agua Dulce DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-403 A Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-404 A Bakersfield: Main DA CA BKFDCAKTOMD  073H TELNYX LLC 734      
661-405 A Lancaster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-406 A Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-407 A Bakersfield: Main DA CA BKFDCAKTX5X  145J TERRA NOVA TELECOM INC. 734      
661-409 A Palmdale: Palmdale DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-410 A Bakersfield: North DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-412 A Bakersfield: South DA CA BKFDCA01X0X  516C AT&T CORP. 734      
661-413 A Cuyama CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-414 A Santa Clarita: Newhall-Castaic DA CA ONTRCAFXDS0  7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA 730      
661-416 A Arvin CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-417 A Santa Clarita: Newhall-Castaic DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-418 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-419 A Hi Vista CA BLPKCAAFCM0  0051 SHELCOMM 730      
661-420 A Cuyama CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-421 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-422 A Palmdale: Leona Valley DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-423 A Lancaster CA LNCSCAXFDS0  2319 FRONTIER CALIFORNIA INC. 730      
661-424 A Santa Clarita: Saugus Canyon Country DA CA SLMNCA11DS0  9740 PACIFIC BELL 730      
661-425 A Santa Clarita: Newhall-Castaic DA CA LSANCA039MD  981E BANDWIDTH.COM CLEC, LLC - CA 730      
661-426 A Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-427 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-428 A Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-429 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-430 A Santa Clarita: Saugus Canyon Country DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-431 A Bakersfield: Main DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-432 A Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-433 A Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-434 A Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-435 A Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-436 A Arvin CA BKFDCA01X0X  516C AT&T CORP. 734      
661-437 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-438 A Wasco CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-439 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-440 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-441 A Palmdale: Palmdale DA CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, 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      
661-444 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-445 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-446 A Delano CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-447 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-448 A Bakersfield: Main DA CA BKFDCA11RMD  551G NUSO, LLC 734      
661-449 A Palmdale: Palmdale DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-450 A Palmdale: Agua Dulce DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-451 A Arvin CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-452 A Berrenda Mesa CA BKFDCA11X5X  073H TELNYX LLC 734      
661-453 A California Hot Springs CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-454 A Delano CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-455 A Glennville CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-456 A Palmdale: Palmdale DA CA LSANCA54DS7  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 730      
661-457 A Lost Hills CA BKFDCAKTX5X  145J TERRA NOVA TELECOM INC. 734      
661-458 A McFarland CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-459 A Shafter CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-460 A Walker Basin CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-461 A Lebec CA BKFDCA119MD  8826 LEVEL 3 COMMUNICATIONS, LLC - CA 734      
661-462 A Big Butte CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-463 A Hi Vista CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
661-464 A Lake Hughes CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
661-465 A Berrenda Mesa CA BRMSCAXFRL1  4420 FRONTIER CALIFORNIA INC. 734      
661-466 A Lancaster CA SNMNCAXPX3Z  649C ONVOY, LLC - CA 730   2024-01-23   
661-467 A Santa Clarita: Saugus Canyon Country DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-468 A Palmdale: Agua Dulce DA CA   515J IP HORIZON LLC 730      
661-469 A Buttonwillow CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-470 A Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-471 A Lancaster CA LSANCAJW2MD  508J CENTURYLINK COMMUNICATIONS, LLC 730      
661-472 A Bakersfield: Main DA CA BKFDCA01X2X  6529 T-MOBILE USA, INC. 734      
661-473 A Bakersfield: South DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-474 A Delano CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-475 A Edwards CA BKFDCA11GMD  649C ONVOY, LLC - CA 734      
661-476 A Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-477 A Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-478 A Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-479 A Bakersfield: Main DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734      
661-480 A Palmdale: Palmdale DA CA BLTNCAADPS2  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 730      
661-481 A Santa Clarita: Newhall-Castaic DA CA LSANCAJWDS9  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730      
661-482 A Edwards CA BKFDCA11TMD  576C TIME WARNER CBL INFO SVCS (CA) DBA TIME WARNER CAB 734      
661-483 A Lancaster CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730      
661-484 A Bakersfield: South DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-485 A Palmdale: Palmdale DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-486 A Palmdale: Agua Dulce DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-487 A Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-488 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-489 A Bakersfield: Main DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-490 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-491 A Bakersfield: South DA CA BKFDCA11EMD  981E BANDWIDTH.COM CLEC, LLC - CA 734      
661-492 A Lancaster CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-493 A Bakersfield: Main DA CA BKFDCA12XRX  671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 734      
661-494 A Lancaster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-495 A Santa Clarita: Newhall-Castaic DA CA LSANCARCD3S  649C ONVOY, LLC - CA 730      
661-496 A Bakersfield: Main DA CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734      
661-497 A Bakersfield: Main DA CA BKFDCA01X2X  5562 METROPCS, INC. 734      
661-498 A Bakersfield: North DA CA BKFDCAKTX4X  197D VONAGE AMERICA LLC 734      
661-499 A Lancaster CA LSANCARC86Z  996H AIRESPRING, INC. 730      
661-500 A Taft CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734      
661-501 A Bakersfield: South DA CA BKFECANDGT0  337E BRIGHT HOUSE NTWS INFORMATION SVCS (CALIFORNIA) CA 734      
661-502 A Santa Clarita: Newhall-Castaic DA CA TRNECAGB7MD  899D METROPCS NETWORKS, LLC 730      
661-503 A Palmdale: Palmdale DA CA TRNECAGB7MD  6529 T-MOBILE USA, INC. 730      
661-504 A Palmdale: Palmdale DA CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      

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Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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