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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-854
| 0 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 1 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 2 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 3 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 4 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 5 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 6 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 7 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 8 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-854
| 9 |
Arvin |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2020-06-27 |
|
| 661-855
| A |
Arvin |
CA |
ARVNCA11RS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-855
| 0 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2015-07-10 |
|
| 661-855
| 1 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2015-07-10 |
|
| 661-855
| 2 |
Arvin |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-855
| 3 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2015-07-10 |
|
| 661-855
| 4 |
Arvin |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
2005-07-26 |
|
| 661-855
| 5 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2015-12-18 |
|
| 661-855
| 6 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2015-07-10 |
|
| 661-855
| 7 |
Arvin |
CA |
|
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
2013-10-05 |
|
| 661-855
| 8 |
Arvin |
CA |
|
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
734 |
|
2007-09-03 |
|
| 661-855
| 9 |
Arvin |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2013-12-19 |
|
| 661-857
| A |
Santa Clarita: Newhall-Castaic DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-857
| 0 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-857
| 1 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-857
| 2 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2007-12-09 |
|
| 661-857
| 3 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-857
| 4 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2006-08-16 |
|
| 661-857
| 5 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
2006-08-20 |
|
| 661-857
| 6 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-857
| 7 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2014-04-13 |
|
| 661-857
| 8 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2006-07-14 |
|
| 661-857
| 9 |
Santa Clarita: Newhall-Castaic DA |
CA |
|
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-858
| A |
Bakersfield: South DA |
CA |
BKFDCA15RS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-858
| 0 |
Bakersfield: South DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-858
| 1 |
Bakersfield: South DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-858
| 2 |
Bakersfield: South DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-858
| 3 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-09-05 |
|
| 661-858
| 4 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-09-30 |
|
| 661-858
| 5 |
Bakersfield: South DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-858
| 6 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-10-20 |
|
| 661-858
| 7 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-10-30 |
|
| 661-858
| 8 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-11-18 |
|
| 661-858
| 9 |
Bakersfield: South DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2007-08-16 |
|
| 661-859
| A |
Bakersfield: Main DA |
CA |
BKFDCA12DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-859
| 0 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-859
| 1 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-859
| 2 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-859
| 3 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2012-05-02 |
|
| 661-859
| 4 |
Bakersfield: Main DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2008-09-05 |
|
| 661-859
| 5 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-859
| 6 |
Bakersfield: Main DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2010-03-06 |
|
| 661-859
| 7 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2010-04-09 |
|
| 661-859
| 8 |
Bakersfield: Main DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2008-06-02 |
|
| 661-859
| 9 |
Bakersfield: Main DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2008-08-02 |
|
| 661-860
| A |
Palmdale: Palmdale DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-860
| 0 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-860
| 1 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
| 661-860
| 2 |
Palmdale: Palmdale DA |
CA |
|
6529 T-MOBILE USA, INC. |
730 |
|
2005-01-07 |
|
| 661-860
| 3 |
Palmdale: Palmdale DA |
CA |
|
6529 T-MOBILE USA, INC. |
730 |
|
2003-12-31 |
|
| 661-860
| 4 |
Palmdale: Palmdale DA |
CA |
|
6529 T-MOBILE USA, INC. |
730 |
|
2003-12-31 |
|
| 661-860
| 5 |
Palmdale: Palmdale DA |
CA |
|
6529 T-MOBILE USA, INC. |
730 |
|
2004-09-09 |
|
| 661-860
| 6 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-11-12 |
|
| 661-860
| 7 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2004-11-12 |
|
| 661-860
| 8 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2003-08-31 |
|
| 661-860
| 9 |
Palmdale: Palmdale DA |
CA |
|
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2003-08-31 |
|
| 661-861
| A |
Bakersfield: Main DA |
CA |
BKFDCA12DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 0 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 1 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 2 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 3 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2012-04-02 |
|
| 661-861
| 4 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 5 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 6 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 7 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 8 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-861
| 9 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| A |
Bakersfield: Main DA |
CA |
BKFDCA12DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 0 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2011-03-20 |
|
| 661-862
| 1 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2020-11-14 |
|
| 661-862
| 2 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2020-11-14 |
|
| 661-862
| 3 |
Bakersfield: Main DA |
CA |
|
5562 METROPCS, INC. |
734 |
|
2020-11-14 |
|
| 661-862
| 4 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 5 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 6 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 7 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 8 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-862
| 9 |
Bakersfield: Main DA |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2006-12-01 |
|
| 661-863
| A |
Bakersfield: Main DA |
CA |
BKFDCA12DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-863
| 0 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-863
| 1 |
Bakersfield: Main DA |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2021-12-21 |
|
| 661-863
| 2 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
2019-07-07 |
|
| 661-863
| 3 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
2019-07-07 |
|
| 661-863
| 4 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
2019-07-07 |
|
| 661-863
| 5 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
2019-07-07 |
|
| 661-863
| 6 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
| 661-863
| 7 |
Bakersfield: Main DA |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2006-09-16 |
|
| 661-863
| 8 |
Bakersfield: Main DA |
CA |
|
6529 T-MOBILE USA, INC. |
734 |
|
2006-09-16 |
|
| 661-863
| 9 |
Bakersfield: Main DA |
CA |
|
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2019-09-14 |
|
| 661-864
| A |
Bakersfield: Main DA |
CA |
BKFDCA12DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-864
| 0 |
Bakersfield: Main DA |
CA |
|
9740 PACIFIC BELL |
734 |
|
|
|
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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