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 |
| 661-278
| 2 |
Edwards |
CA |
|
145J TERRA NOVA TELECOM INC. |
734 |
|
2024-11-12 |
|
| 661-278
| 4 |
Edwards |
CA |
BKFDCAKTX5X |
145J TERRA NOVA TELECOM INC. |
734 |
|
2026-02-05 |
|
| 661-278
| 7 |
Edwards |
CA |
|
824J OPENTACT INC. |
734 |
|
2026-09-13 |
|
| 661-279
| A |
Rosamond |
CA |
BKFDCA12X1X |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
734 |
|
|
|
| 661-279
| 0 |
Rosamond |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2016-09-12 |
|
| 661-279
| 1 |
Rosamond |
CA |
BKFDCA12X1X |
7718 LEVEL 3 TELECOM OF CALIFORNIA, LP - CA |
734 |
|
|
|
| 661-279
| 2 |
Rosamond |
CA |
BKFDCA12X5X |
9262 UTILITY TELECOM GROUP, LLC - CA |
734 |
|
2016-12-04 |
|
| 661-279
| 3 |
Rosamond |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2014-01-07 |
|
| 661-279
| 4 |
Rosamond |
CA |
BKFDCAKTX1X |
939H COMMIO, LLC |
734 |
|
2022-07-22 |
|
| 661-279
| 5 |
Rosamond |
CA |
BKFDCA01X0X |
516C AT&T CORP. |
734 |
|
2011-06-08 |
|
| 661-279
| 6 |
Rosamond |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2017-05-27 |
|
| 661-279
| 7 |
Rosamond |
CA |
BKFDCA11XMD |
508J CENTURYLINK COMMUNICATIONS, LLC |
734 |
|
2015-05-05 |
|
| 661-279
| 8 |
Rosamond |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-07-27 |
|
| 661-279
| 9 |
Rosamond |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2024-10-20 |
|
| 661-280
| A |
Palmdale: Leona Valley DA |
CA |
LSANCARC80Z |
9262 UTILITY TELECOM GROUP, LLC - CA |
730 |
|
|
|
| 661-281
| A |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 0 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 1 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 2 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 3 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 4 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2007-07-24 |
|
| 661-281
| 5 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2005-08-04 |
|
| 661-281
| 6 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-281
| 7 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2012-03-17 |
|
| 661-281
| 8 |
Bakersfield: Main DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2006-01-25 |
|
| 661-281
| 9 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2007-07-24 |
|
| 661-282
| A |
Bakersfield: South DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-282
| 0 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2012-06-07 |
|
| 661-282
| 1 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2011-09-18 |
|
| 661-282
| 2 |
Bakersfield: South DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-282
| 3 |
Bakersfield: South DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
2007-03-22 |
|
| 661-282
| 4 |
Bakersfield: South DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
2007-03-22 |
|
| 661-282
| 5 |
Bakersfield: South DA |
CA |
BKFDCA01X0X |
516C AT&T CORP. |
734 |
|
2011-08-31 |
|
| 661-282
| 6 |
Bakersfield: South DA |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2011-12-04 |
|
| 661-282
| 7 |
Bakersfield: South DA |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2012-08-11 |
|
| 661-282
| 8 |
Bakersfield: South DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2012-08-11 |
|
| 661-282
| 9 |
Bakersfield: South DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| A |
Bakersfield: Main DA |
CA |
BKFDCA12XPX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
734 |
|
|
|
| 661-283
| 0 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 1 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 2 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 3 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 4 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 5 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2012-04-16 |
|
| 661-283
| 6 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 7 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 8 |
Bakersfield: Main DA |
CA |
BKFDCAJADS0 |
7128 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA |
734 |
|
|
|
| 661-283
| 9 |
Bakersfield: Main DA |
CA |
BKFDCA12XPX |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
734 |
|
|
|
| 661-284
| A |
Santa Clarita: Newhall-Castaic DA |
CA |
NHLLCA01DS0 |
9740 PACIFIC BELL |
730 |
|
|
|
| 661-285
| A |
Palmdale: Palmdale DA |
CA |
PLDLCA11RPA |
9740 PACIFIC BELL |
730 |
|
|
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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