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 |
| 661-678
| 4 |
Santa Clarita: Newhall-Castaic DA |
CA |
SHOKCA02DS2 |
7421 AT&T - LOCAL |
730 |
|
|
|
| 661-678
| 5 |
Santa Clarita: Newhall-Castaic DA |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2013-06-12 |
|
| 661-678
| 6 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 7 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 8 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2005-06-17 |
|
| 661-678
| 9 |
Santa Clarita: Newhall-Castaic DA |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2006-06-01 |
|
| 661-679
| A |
Bakersfield: North DA |
CA |
BKFDCA01WMD |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
734 |
|
|
|
| 661-679
| 0 |
Bakersfield: North DA |
CA |
BKFDCA01WMD |
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
734 |
|
|
|
| 661-679
| 1 |
Bakersfield: North DA |
CA |
BKFDCA12XRX |
671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS |
734 |
|
2005-06-18 |
|
| 661-679
| 2 |
Bakersfield: North DA |
CA |
|
145J TERRA NOVA TELECOM INC. |
734 |
|
2020-11-14 |
|
| 661-679
| 3 |
Bakersfield: North DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2014-09-15 |
|
| 661-679
| 4 |
Bakersfield: North DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2007-07-26 |
|
| 661-679
| 5 |
Bakersfield: North DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2014-11-13 |
|
| 661-679
| 6 |
Bakersfield: North DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2012-10-06 |
|
| 661-679
| 7 |
Bakersfield: North DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2008-04-10 |
|
| 661-679
| 8 |
Bakersfield: North DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2012-08-11 |
|
| 661-679
| 9 |
Bakersfield: North DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2005-12-23 |
|
| 661-680
| A |
Bakersfield: North DA |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2025-06-10 |
|
| 661-680
| 0 |
Bakersfield: North DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2026-07-17 |
|
| 661-680
| 1 |
Bakersfield: North DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2026-07-17 |
|
| 661-680
| 2 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-09-04 |
|
| 661-680
| 3 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-09-04 |
|
| 661-680
| 4 |
Bakersfield: North DA |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2025-06-10 |
|
| 661-680
| 5 |
Bakersfield: North DA |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2025-06-10 |
|
| 661-680
| 6 |
Bakersfield: North DA |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2025-06-10 |
|
| 661-680
| 7 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-09-04 |
|
| 661-680
| 8 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-07-24 |
|
| 661-680
| 9 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-07-24 |
|
| 661-681
| A |
Bakersfield: North DA |
CA |
BKFHCAON6MD |
478J NUSO, LLC |
734 |
|
2025-06-12 |
|
| 661-681
| 0 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-07-24 |
|
| 661-681
| 1 |
Bakersfield: North DA |
CA |
BKFHCAON6MD |
478J NUSO, LLC |
734 |
|
2025-06-12 |
|
| 661-681
| 6 |
Bakersfield: North DA |
CA |
BKFDCAKTX8X |
321J HD CARRIER LLC |
734 |
|
2026-05-15 |
|
| 661-681
| 7 |
Bakersfield: North DA |
CA |
BKFDCAKTX8X |
321J HD CARRIER LLC |
734 |
|
2026-05-15 |
|
| 661-681
| 8 |
Bakersfield: North DA |
CA |
BKFDCAKTX8X |
321J HD CARRIER LLC |
734 |
|
2026-05-15 |
|
| 661-681
| 9 |
Bakersfield: North DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-07-24 |
|
| 661-682
| A |
Bakersfield: Main DA |
CA |
BKFDCAKTXIX |
700J WAVENATION, LLC |
734 |
|
2025-09-25 |
|
| 661-682
| 0 |
Bakersfield: Main DA |
CA |
BKFDCAKTXIX |
700J WAVENATION, LLC |
734 |
|
2025-09-25 |
|
| 661-682
| 1 |
Bakersfield: Main DA |
CA |
|
649C ONVOY, LLC - CA |
734 |
|
2026-08-30 |
|
| 661-682
| 4 |
Bakersfield: Main DA |
CA |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
734 |
|
2026-10-05 |
|
| 661-682
| 5 |
Bakersfield: Main DA |
CA |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
734 |
|
2026-10-05 |
|
| 661-682
| 6 |
Bakersfield: Main DA |
CA |
|
7139 TELEPORT COMMUNICATIONS AMERICA, LLC - CA |
734 |
|
2026-10-05 |
|
| 661-682
| 9 |
Bakersfield: Main DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2026-01-03 |
|
| 661-683
| A |
Lancaster |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2025-10-25 |
|
| 661-683
| 0 |
Lancaster |
CA |
SNMNCAXPX3Z |
649C ONVOY, LLC - CA |
730 |
|
2025-10-25 |
|
| 661-683
| 1 |
Lancaster |
CA |
LSANCAJWMMD |
490J BOOST SUBSCRIBERCO L.L.C. |
730 |
|
2025-10-27 |
|
| 661-683
| 2 |
Lancaster |
CA |
|
649C ONVOY, LLC - CA |
730 |
|
2026-08-30 |
|
| 661-683
| 3 |
Lancaster |
CA |
|
373F PEERLESS NETWORK OF CALIFORNIA, LLC - CA |
730 |
|
2026-09-20 |
|
| 661-683
| 4 |
Lancaster |
CA |
|
649C ONVOY, LLC - CA |
730 |
|
2026-09-27 |
|
| 661-683
| 5 |
Lancaster |
CA |
|
649C ONVOY, LLC - CA |
730 |
|
2026-08-17 |
|
| 661-683
| 6 |
Lancaster |
CA |
|
649C ONVOY, LLC - CA |
730 |
|
2026-08-17 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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