Local Calling Guide
Area code/prefix search
NPA: 661
[Rate centres in NPA 661]
[Dial plan for NPA 661]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 661-557
| 1 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2005-11-22 |
|
| 661-557
| 2 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2010-01-19 |
|
| 661-557
| 3 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2008-10-31 |
|
| 661-557
| 4 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2015-07-10 |
|
| 661-557
| 5 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2006-10-27 |
|
| 661-557
| 6 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2013-05-18 |
|
| 661-557
| 7 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2007-09-28 |
|
| 661-557
| 8 |
Arvin |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2010-08-16 |
|
| 661-557
| 9 |
Arvin |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2024-09-15 |
|
| 661-558
| A |
Bakersfield: Main DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
|
|
| 661-558
| 0 |
Bakersfield: Main DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2016-04-23 |
|
| 661-558
| 1 |
Bakersfield: Main DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2016-04-23 |
|
| 661-558
| 2 |
Bakersfield: Main DA |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2016-04-23 |
|
| 661-558
| 3 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-06-11 |
|
| 661-558
| 4 |
Bakersfield: Main DA |
CA |
BKFECAND0MD |
045L BHN IP ENABLED SERVICES, LLC |
734 |
|
2017-07-09 |
|
| 661-558
| 5 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-07-31 |
|
| 661-558
| 6 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-07-31 |
|
| 661-558
| 7 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2016-03-28 |
|
| 661-558
| 8 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-03-21 |
|
| 661-558
| 9 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-03-21 |
|
| 661-560
| A |
Wasco |
CA |
BKFDCA11XEX |
506J TWILIO INTERNATIONAL, INC. |
734 |
|
|
|
| 661-560
| 0 |
Wasco |
CA |
BKFDCA11X7X |
624H ONVOY SPECTRUM, LLC |
734 |
|
2022-01-12 |
|
| 661-560
| 1 |
Wasco |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2022-05-12 |
|
| 661-560
| 2 |
Wasco |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2022-05-12 |
|
| 661-560
| 3 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-08-10 |
|
| 661-560
| 4 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-08-10 |
|
| 661-560
| 5 |
Wasco |
CA |
BKFDCA11XEX |
506J TWILIO INTERNATIONAL, INC. |
734 |
|
2022-04-01 |
|
| 661-560
| 6 |
Wasco |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2023-08-10 |
|
| 661-560
| 7 |
Wasco |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2023-07-22 |
|
| 661-560
| 8 |
Wasco |
CA |
BKFDCAKTXXX |
490J BOOST SUBSCRIBERCO L.L.C. |
734 |
|
2023-11-13 |
|
| 661-560
| 9 |
Wasco |
CA |
BKFDCAKTX1X |
939H COMMIO, LLC |
734 |
|
2022-07-22 |
|
| 661-561
| A |
Delano |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
|
|
| 661-561
| 0 |
Delano |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2020-05-29 |
|
| 661-561
| 1 |
Delano |
CA |
BKFDCAJAAMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
734 |
|
2020-05-29 |
|
| 661-561
| 2 |
Delano |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2020-08-05 |
|
| 661-561
| 3 |
Delano |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2020-08-13 |
|
| 661-561
| 4 |
Delano |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2020-08-13 |
|
| 661-561
| 5 |
Delano |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2020-05-28 |
|
| 661-561
| 6 |
Delano |
CA |
BKFDCA11GMD |
649C ONVOY, LLC - CA |
734 |
|
2020-05-28 |
|
| 661-561
| 7 |
Delano |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2020-08-05 |
|
| 661-561
| 8 |
Delano |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2020-05-29 |
|
| 661-561
| 9 |
Delano |
CA |
BKFDCA11EMD |
981E BANDWIDTH.COM CLEC, LLC - CA |
734 |
|
2020-05-29 |
|
| 661-563
| A |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
|
|
| 661-563
| 0 |
Bakersfield: Main DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-09-15 |
|
| 661-563
| 1 |
Bakersfield: Main DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-09-15 |
|
| 661-563
| 2 |
Bakersfield: Main DA |
CA |
BKFDCA018MD |
6010 NEW CINGULAR WIRELESS PCS, LLC |
734 |
|
2015-09-15 |
|
| 661-563
| 3 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-07-01 |
|
| 661-563
| 4 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
6529 T-MOBILE USA, INC. |
734 |
|
2015-09-11 |
|
| 661-563
| 5 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-07-01 |
|
| 661-563
| 6 |
Bakersfield: Main DA |
CA |
BKFDCA01X2X |
5562 METROPCS, INC. |
734 |
|
2016-07-01 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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