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 |
| 661-539
| 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 |
TRNECAGB7MD |
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 |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
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 |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2024-11-12 |
|
| 661-541
| 4 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
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 |
|
| 661-541
| 7 |
Bakersfield: Main DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2022-08-16 |
|
| 661-541
| 8 |
Bakersfield: Main DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2021-05-17 |
|
| 661-541
| 9 |
Bakersfield: Main DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2021-04-22 |
|
| 661-542
| A |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
|
|
| 661-542
| 0 |
Santa Clarita: Saugus Canyon Country DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-08-21 |
|
| 661-542
| 1 |
Santa Clarita: Saugus Canyon Country DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-09-16 |
|
| 661-542
| 2 |
Santa Clarita: Saugus Canyon Country DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2016-01-03 |
|
| 661-542
| 3 |
Santa Clarita: Saugus Canyon Country DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2016-01-03 |
|
| 661-542
| 4 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2019-09-09 |
|
| 661-542
| 5 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-08 |
|
| 661-542
| 6 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-08 |
|
| 661-542
| 7 |
Santa Clarita: Saugus Canyon Country DA |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-09-14 |
|
| 661-542
| 8 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2016-07-22 |
|
| 661-542
| 9 |
Santa Clarita: Saugus Canyon Country DA |
CA |
LSANCAJWDS9 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2016-11-20 |
|
| 661-543
| A |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-543
| 0 |
McFarland |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2015-09-24 |
|
| 661-543
| 1 |
McFarland |
CA |
BKFDCAKTDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
734 |
|
2016-12-01 |
|
| 661-543
| 2 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2017-03-16 |
|
| 661-543
| 3 |
McFarland |
CA |
BKFDCAKTOMD |
073H TELNYX LLC |
734 |
|
2017-03-24 |
|
| 661-543
| 4 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2017-09-21 |
|
| 661-543
| 5 |
McFarland |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2017-04-04 |
|
| 661-543
| 6 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-12-21 |
|
| 661-543
| 7 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-12-21 |
|
| 661-543
| 8 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-11-26 |
|
| 661-543
| 9 |
McFarland |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-09-18 |
|
| 661-544
| A |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
|
|
| 661-544
| 0 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2010-02-13 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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