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 |
| 661-582
| 8 |
Lancaster |
CA |
SNMNCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2016-09-23 |
|
| 661-582
| 9 |
Lancaster |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-12-05 |
|
| 661-583
| A |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 661-583
| 0 |
Palmdale: Palmdale DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-03-07 |
|
| 661-583
| 1 |
Palmdale: Palmdale DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-03-07 |
|
| 661-583
| 2 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2016-03-18 |
|
| 661-583
| 3 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-12-29 |
|
| 661-583
| 4 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-12-29 |
|
| 661-583
| 5 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-12-29 |
|
| 661-583
| 6 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-12-29 |
|
| 661-583
| 7 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-12-29 |
|
| 661-583
| 8 |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-12-28 |
|
| 661-583
| 9 |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-12-28 |
|
| 661-584
| A |
Mojave |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
|
|
| 661-584
| 0 |
Mojave |
CA |
BKFDCA1176T |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
|
|
| 661-584
| 1 |
Mojave |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2021-07-22 |
|
| 661-584
| 2 |
Mojave |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
2013-02-09 |
|
| 661-584
| 3 |
Mojave |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2022-04-26 |
|
| 661-584
| 4 |
Mojave |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
2005-07-30 |
|
| 661-584
| 5 |
Mojave |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2019-09-13 |
|
| 661-584
| 6 |
Mojave |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2019-09-13 |
|
| 661-584
| 7 |
Mojave |
CA |
BKFDCAKTDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
734 |
|
2021-05-30 |
|
| 661-584
| 8 |
Mojave |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2020-10-26 |
|
| 661-584
| 9 |
Mojave |
CA |
BKFDCA11XLX |
792K CHARTER IP ENABLED SERVICES, LLC |
734 |
|
2016-12-17 |
|
| 661-585
| A |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
|
|
| 661-585
| 0 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
899D METROPCS NETWORKS, LLC |
730 |
|
2016-04-25 |
|
| 661-585
| 1 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-05-06 |
|
| 661-585
| 2 |
Palmdale: Palmdale DA |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2016-04-02 |
|
| 661-585
| 3 |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2016-03-04 |
|
| 661-585
| 4 |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2016-03-04 |
|
| 661-585
| 5 |
Palmdale: Palmdale DA |
CA |
CYCMCALLCM5 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2016-03-04 |
|
| 661-585
| 6 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-10-15 |
|
| 661-585
| 7 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-09-14 |
|
| 661-585
| 8 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-09-14 |
|
| 661-585
| 9 |
Palmdale: Palmdale DA |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2016-09-14 |
|
| 661-586
| A |
Delano |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
|
|
| 661-587
| A |
Bakersfield: North DA |
CA |
BKFDCA17DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-588
| A |
Bakersfield: North DA |
CA |
BKFDCA17DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-589
| A |
Bakersfield: North DA |
CA |
BKFDCA17DS0 |
9740 PACIFIC BELL |
734 |
|
|
|
| 661-590
| A |
Wasco |
CA |
BKFDCA12XRX |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
734 |
|
|
|
| 661-590
| 0 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-03-07 |
|
| 661-590
| 1 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-07-15 |
|
| 661-590
| 2 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-07-15 |
|
| 661-590
| 5 |
Wasco |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-10-08 |
|
| 661-590
| 6 |
Wasco |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2024-11-22 |
|
| 661-590
| 7 |
Wasco |
CA |
BKFDCA12XRX |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
734 |
|
2022-08-15 |
|
| 661-590
| 8 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-06-07 |
|
| 661-590
| 9 |
Wasco |
CA |
BKFDCAKTDS1 |
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
734 |
|
2024-05-12 |
|
| 661-591
| A |
Glennville |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
|
|
| 661-591
| 0 |
Glennville |
CA |
BKFDCA119MD |
8826 LEVEL 3 COMMUNICATIONS, LLC - CA |
734 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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