Local Calling Guide
Area code/prefix search
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-621
| 4 |
Santa Clarita: Saugus Canyon Country DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2008-07-11 |
|
| 661-621
| 5 |
Santa Clarita: Saugus Canyon Country DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2008-07-11 |
|
| 661-621
| 6 |
Santa Clarita: Saugus Canyon Country DA |
CA |
ANHMCANG5MD |
829J PAETEC ITEL, LLC |
730 |
|
2009-05-04 |
|
| 661-621
| 7 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2006-03-12 |
|
| 661-621
| 8 |
Santa Clarita: Saugus Canyon Country DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2012-10-07 |
|
| 661-621
| 9 |
Santa Clarita: Saugus Canyon Country DA |
CA |
IRVNCASM1MD |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
730 |
|
2025-09-04 |
|
| 661-622
| A |
Palmdale: Leona Valley DA |
CA |
ONTRCAFXDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
730 |
|
|
|
| 661-622
| 1 |
Palmdale: Leona Valley DA |
CA |
ONTRCAFXDS0 |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
730 |
|
|
|
| 661-622
| 2 |
Palmdale: Leona Valley DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2013-03-09 |
|
| 661-622
| 3 |
Palmdale: Leona Valley DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2014-05-02 |
|
| 661-622
| 4 |
Palmdale: Leona Valley DA |
CA |
LSANCA54DS7 |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
730 |
|
2005-07-30 |
|
| 661-622
| 5 |
Palmdale: Leona Valley DA |
CA |
ANHMCA01XEY |
516C AT&T CORP. |
730 |
|
2011-06-08 |
|
| 661-622
| 6 |
Palmdale: Leona Valley DA |
CA |
LSANCA03GMD |
624H ONVOY SPECTRUM, LLC |
730 |
|
2021-07-22 |
|
| 661-622
| 7 |
Palmdale: Leona Valley DA |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2007-04-13 |
|
| 661-622
| 9 |
Palmdale: Leona Valley DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-09-24 |
|
| 661-623
| A |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 0 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 1 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 2 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 3 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 4 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 5 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 6 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-623
| 7 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2007-10-21 |
|
| 661-623
| 8 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2020-09-29 |
|
| 661-623
| 9 |
Taft |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2014-02-22 |
|
| 661-624
| A |
Bakersfield: South DA |
CA |
BKFDCA11XAX |
515J IP HORIZON LLC |
734 |
|
|
|
| 661-624
| 0 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2021-03-18 |
|
| 661-624
| 1 |
Bakersfield: South DA |
CA |
|
515J IP HORIZON LLC |
734 |
|
2021-01-16 |
|
| 661-624
| 2 |
Bakersfield: South DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2021-04-05 |
|
| 661-624
| 3 |
Bakersfield: South DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2021-04-05 |
|
| 661-624
| 4 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2021-11-21 |
|
| 661-624
| 5 |
Bakersfield: South DA |
CA |
BKFDCAKTX7X |
516J TON80 COMMUNICATIONS, LLC |
734 |
|
2021-11-09 |
|
| 661-624
| 6 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2021-11-21 |
|
| 661-624
| 7 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2021-11-21 |
|
| 661-624
| 8 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2021-06-17 |
|
| 661-624
| 9 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2021-08-16 |
|
| 661-625
| A |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 661-625
| 0 |
Santa Clarita: Newhall-Castaic DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2022-06-11 |
|
| 661-625
| 1 |
Santa Clarita: Newhall-Castaic DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2022-07-11 |
|
| 661-625
| 2 |
Santa Clarita: Newhall-Castaic DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2022-08-11 |
|
| 661-625
| 3 |
Santa Clarita: Newhall-Castaic DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2022-09-10 |
|
| 661-625
| 4 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCA03GMD |
624H ONVOY SPECTRUM, LLC |
730 |
|
2022-02-07 |
|
| 661-625
| 5 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCA03GMD |
624H ONVOY SPECTRUM, LLC |
730 |
|
2022-02-07 |
|
| 661-625
| 6 |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2022-02-06 |
|
| 661-625
| 7 |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2022-02-06 |
|
| 661-625
| 8 |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2022-10-18 |
|
| 661-625
| 9 |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2022-02-06 |
|
| 661-627
| A |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 661-627
| 0 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2021-07-22 |
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: VoIP.ms
Like this site? We accept donations via PayPal.