Local Calling Guide
Area code/prefix search
NPA: 657
[Rate centres in NPA 657]
[Dial plan for NPA 657]
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 657-255
| 5 |
Buena Park |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-24 |
|
| 657-255
| 6 |
Buena Park |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-24 |
|
| 657-255
| 7 |
Buena Park |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-29 |
|
| 657-255
| 8 |
Buena Park |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2016-02-29 |
|
| 657-255
| 9 |
Buena Park |
CA |
ANHMCANG5MD |
829J PAETEC ITEL, LLC |
730 |
|
2016-04-01 |
|
| 657-256
| A |
Cypress |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2024-01-23 |
|
| 657-256
| 0 |
Cypress |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2014-12-20 |
|
| 657-256
| 1 |
Cypress |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-02-06 |
|
| 657-256
| 2 |
Cypress |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-03-07 |
|
| 657-256
| 3 |
Cypress |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2015-01-05 |
|
| 657-256
| 4 |
Cypress |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2015-01-05 |
|
| 657-256
| 5 |
Cypress |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2015-01-05 |
|
| 657-256
| 6 |
Cypress |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2015-01-05 |
|
| 657-256
| 7 |
Cypress |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-03-07 |
|
| 657-256
| 8 |
Cypress |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-02-14 |
|
| 657-256
| 9 |
Cypress |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-02-14 |
|
| 657-257
| A |
Westminster |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
|
|
| 657-257
| 0 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-09 |
|
| 657-257
| 1 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-12-01 |
|
| 657-257
| 2 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-03 |
|
| 657-257
| 3 |
Westminster |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2025-08-01 |
|
| 657-257
| 4 |
Westminster |
CA |
LNBHCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-11-19 |
|
| 657-257
| 5 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-03 |
|
| 657-257
| 6 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-03 |
|
| 657-257
| 7 |
Westminster |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-03 |
|
| 657-257
| 8 |
Westminster |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-11-02 |
|
| 657-257
| 9 |
Westminster |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-11-02 |
|
| 657-258
| A |
Placentia |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
|
|
| 657-258
| 0 |
Placentia |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-01-23 |
|
| 657-258
| 1 |
Placentia |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-05-23 |
|
| 657-258
| 2 |
Placentia |
CA |
LSANCARCD3S |
649C ONVOY, LLC - CA |
730 |
|
2019-03-03 |
|
| 657-258
| 3 |
Placentia |
CA |
LSANCA039MD |
981E BANDWIDTH.COM CLEC, LLC - CA |
730 |
|
2015-05-23 |
|
| 657-258
| 4 |
Placentia |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-06-11 |
|
| 657-258
| 5 |
Placentia |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-05-31 |
|
| 657-258
| 6 |
Placentia |
CA |
ANHMCACLCM6 |
6010 NEW CINGULAR WIRELESS PCS, LLC |
730 |
|
2015-06-11 |
|
| 657-258
| 7 |
Placentia |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-02-26 |
|
| 657-258
| 8 |
Placentia |
CA |
TRNECAGB7MD |
6529 T-MOBILE USA, INC. |
730 |
|
2015-03-19 |
|
| 657-258
| 9 |
Placentia |
CA |
SHOKCA02QMD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2016-03-18 |
|
| 657-259
| A |
Huntington Beach |
CA |
LNBHCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
|
|
| 657-259
| 0 |
Huntington Beach |
CA |
LNBHCAXP2MD |
793K TWC IP ENABLED SERVICES, LLC |
730 |
|
2015-10-25 |
|
| 657-259
| 1 |
Huntington Beach |
CA |
|
515J IP HORIZON LLC |
730 |
|
2015-10-26 |
|
| 657-259
| 2 |
Huntington Beach |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-10-26 |
|
| 657-259
| 3 |
Huntington Beach |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-16 |
|
| 657-259
| 4 |
Huntington Beach |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-11-09 |
|
| 657-259
| 5 |
Huntington Beach |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2015-12-01 |
|
| 657-259
| 6 |
Huntington Beach |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
2016-01-01 |
|
| 657-259
| 7 |
Huntington Beach |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-10-26 |
|
| 657-259
| 8 |
Huntington Beach |
CA |
TRNECAGBGT3 |
6529 T-MOBILE USA, INC. |
730 |
|
2015-10-26 |
|
| 657-259
| 9 |
Huntington Beach |
CA |
LNBHCAXPXBY |
649C ONVOY, LLC - CA |
730 |
|
2017-06-11 |
|
| 657-260
| A |
Silverado |
CA |
BLTNCAADGMD |
6006 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA |
730 |
|
|
|
<< 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 >>
Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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