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
661-604 3 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-03-23   
661-604 4 Lancaster CA LSANCAJWMMD  490J DISH WIRELESS, LLC 730   2023-11-18   
661-604 5 Lancaster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2023-04-08   
661-604 6 Lancaster CA   6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2024-05-23   
661-604 7 Lancaster CA   649C ONVOY, LLC - CA 730   2024-02-25   
661-604 8 Lancaster CA   649C ONVOY, LLC - CA 730   2024-02-25   
661-604 9 Lancaster CA ANHMCACLCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 730   2024-01-08   
661-605 A Bakersfield: Main DA CA BKFDCA11XJX  318J COMCAST IP PHONE, LLC 734      
661-605 0 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 1 Bakersfield: Main DA CA BKFDCA11XJX  318J COMCAST IP PHONE, LLC 734   2023-06-13   
661-605 2 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 3 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 4 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 5 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 6 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 7 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 8 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-605 9 Bakersfield: Main DA CA BKFDCA11GMD  649C ONVOY, LLC - CA 734   2023-08-10   
661-606 A Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734      
661-606 0 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2020-08-02   
661-606 1 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2014-08-14   
661-606 2 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-06-08   
661-606 3 Arvin CA BKFDCAJADS0  7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA 734   2005-04-28   
661-606 4 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-06-08   
661-606 5 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-06-08   
661-606 6 Arvin CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734   2012-11-19   
661-606 7 Arvin CA BKFDCA12X5X  9262 UTILITY TELECOM GROUP, LLC - CA 734   2013-04-11   
661-606 8 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-06-08   
661-606 9 Arvin CA BKFDCA01VMD  6529 T-MOBILE USA, INC. 734   2015-06-08   
661-607 A Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-607 0 Santa Clarita: Newhall-Castaic DA CA CSTCCA11DS0  9740 PACIFIC BELL 730      
661-607 1 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-11-11   
661-607 2 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2003-11-11   
661-607 3 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2004-03-16   
661-607 4 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2004-03-27   
661-607 5 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-07-08   
661-607 6 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 7 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 8 Santa Clarita: Newhall-Castaic DA CA BLTNCAADGMD  6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA 730   2004-03-08   
661-607 9 Santa Clarita: Newhall-Castaic DA CA SIMICACNGT1  6529 T-MOBILE USA, INC. 730   2005-10-16   
661-608 A Hi Vista CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730      
661-608 6 Hi Vista CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2023-06-15   
661-608 7 Hi Vista CA SNMNCAXPX2Z  624H ONVOY SPECTRUM, LLC 730   2023-06-15   
661-608 9 Hi Vista CA   373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA 730   2024-05-10   
661-609 A Lancaster CA CYCMCALLCM5  6010 NEW CINGULAR WIRELESS PCS, LLC 730      
661-610 A Bakersfield: Main DA CA BKFDCA01WMD  7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA 734      
661-610 0 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-610 1 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-610 2 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-09-21   
661-610 3 Bakersfield: Main DA CA BKFDCA11X7X  624H ONVOY SPECTRUM, LLC 734   2022-09-21   

<< 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: VoIP.ms

Like this site? We accept donations via PayPal.