Local Calling Guide
Area code/prefix search
NPA: 661
[Rate centres in NPA 661]
[Dial plan for NPA 661]
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| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-528
| 4 |
Rosamond |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
2005-07-30 |
|
| 661-528
| 5 |
Rosamond |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-10-30 |
|
| 661-528
| 6 |
Rosamond |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-10-30 |
|
| 661-528
| 7 |
Rosamond |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2024-04-14 |
|
| 661-528
| 8 |
Rosamond |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-11-25 |
|
| 661-528
| 9 |
Rosamond |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-11-25 |
|
| 661-529
| A |
Bakersfield: South DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
|
|
| 661-529
| 0 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2012-08-21 |
|
| 661-529
| 1 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2012-09-17 |
|
| 661-529
| 2 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2013-03-27 |
|
| 661-529
| 3 |
Bakersfield: South DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2012-07-26 |
|
| 661-529
| 4 |
Bakersfield: South DA |
CA |
BKFDCA19DS0 |
9740 PACIFIC BELL |
734 |
|
2012-09-23 |
|
| 661-529
| 5 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2012-09-17 |
|
| 661-529
| 6 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2014-01-07 |
|
| 661-529
| 7 |
Bakersfield: South DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2014-01-05 |
|
| 661-529
| 8 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2012-08-21 |
|
| 661-529
| 9 |
Bakersfield: South DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2012-07-26 |
|
| 661-531
| A |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
|
|
| 661-531
| 0 |
Arvin |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2021-12-20 |
|
| 661-531
| 1 |
Arvin |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-10-30 |
|
| 661-531
| 2 |
Arvin |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-10-30 |
|
| 661-531
| 3 |
Arvin |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2023-09-14 |
|
| 661-531
| 4 |
Arvin |
CA |
BKFDCAKTX1X |
939H COMMIO, LLC |
734 |
|
2022-11-11 |
|
| 661-531
| 5 |
Arvin |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2023-02-11 |
|
| 661-531
| 6 |
Arvin |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2022-09-11 |
|
| 661-531
| 7 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2021-12-19 |
|
| 661-531
| 8 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2021-12-19 |
|
| 661-531
| 9 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2021-12-19 |
|
| 661-532
| A |
Big Butte |
CA |
LSANCARCY5X |
515J IP HORIZON LLC |
730 |
|
|
|
| 661-532
| 0 |
Big Butte |
CA |
|
515J IP HORIZON LLC |
730 |
|
|
|
| 661-532
| 1 |
Big Butte |
CA |
|
515J IP HORIZON LLC |
730 |
|
|
|
| 661-532
| 2 |
Big Butte |
CA |
|
515J IP HORIZON LLC |
730 |
|
|
|
| 661-532
| 3 |
Big Butte |
CA |
LSANCAJWDS9 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2018-10-21 |
|
| 661-532
| 4 |
Big Butte |
CA |
LSANCAJWDS9 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2016-10-15 |
|
| 661-532
| 5 |
Big Butte |
CA |
ANHMCA01XEY |
516C AT&T CORP. |
730 |
|
2011-06-08 |
|
| 661-532
| 6 |
Big Butte |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-01-12 |
|
| 661-532
| 7 |
Big Butte |
CA |
LSANCAJW2MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
730 |
|
2014-06-27 |
|
| 661-532
| 8 |
Big Butte |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2009-02-25 |
|
| 661-532
| 9 |
Big Butte |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2016-09-22 |
|
| 661-533
| A |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 0 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 1 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 2 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 3 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 4 |
Palmdale: Palmdale DA |
CA |
BLTNCAADPS2 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
730 |
|
2012-12-28 |
|
| 661-533
| 5 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 6 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 7 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 8 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-533
| 9 |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
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Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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