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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
661-536 2 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-536 3 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2018-09-01   
661-536 4 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2019-02-22   
661-536 5 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2017-04-04   
661-536 6 Glennville CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2021-08-13   
661-536 7 Glennville CA BKFDCA11XMD  508J CENTURYLINK COMMUNICATIONS, LLC 734   2015-05-05   
661-536 8 Glennville CA GLVLCAXFRS9  4420 FRONTIER CALIFORNIA INC. 734      
661-536 9 Glennville CA   145J TERRA NOVA TELECOM INC. 734   2021-10-02   
661-537 A Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 0 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 1 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 2 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 3 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-13   
661-537 4 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730   2013-02-02   
661-537 5 Palmdale: Palmdale DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2005-05-13   
661-537 6 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 7 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 8 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-537 9 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-538 A Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-539 A McFarland CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734      
661-539 0 McFarland CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-01-12   
661-539 1 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-07-23   
661-539 2 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-539 3 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-539 4 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-539 5 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-539 6 McFarland CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-10-30   
661-539 7 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2023-04-15   
661-539 8 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2022-09-18   
661-539 9 McFarland CA BKFDCA018MD  6010 NEW CINGULAR WIRELESS PCS, LLC 734   2022-03-20   
661-540 A Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 0 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 1 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 2 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 3 Palmdale: Palmdale DA CA SIMICACNGT1  899D METROPCS NETWORKS, LLC 730   2011-04-02   
661-540 4 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 5 Palmdale: Palmdale DA CA LSANCARC80Z  9262 UTILITY TELECOM GROUP, LLC - CA 730      
661-540 6 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 7 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 8 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-540 9 Palmdale: Palmdale DA CA PLDLCA01DS0  9740 PACIFIC BELL 730      
661-541 A Bakersfield: Main DA CA BKFDCAKTXIX  700J WAVENATION, LLC 734      
661-541 0 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2019-12-02   
661-541 1 Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2019-12-02   
661-541 2 Bakersfield: Main DA CA BKFDCAKTDS1  373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 734   2020-09-09   
661-541 3 Bakersfield: Main DA CA BKFDCAKTXIX  700J WAVENATION, LLC 734   2021-12-03   
661-541 4 Bakersfield: Main DA CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2021-12-21   
661-541 5 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2021-08-30   
661-541 6 Bakersfield: Main DA CA BKFDCAJAAMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 734   2022-07-16   

<< 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 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.