Local Calling Guide
Area code/prefix search
NPA: 956
[Rate centres in NPA 956]
[Dial plan for NPA 956]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 956-538
| 0 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2020-09-09 |
|
| 956-538
| 1 |
Brownsville |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2020-09-02 |
|
| 956-538
| 2 |
Brownsville |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2020-09-02 |
|
| 956-538
| 3 |
Brownsville |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2020-09-02 |
|
| 956-538
| 4 |
Brownsville |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2020-09-02 |
|
| 956-538
| 5 |
Brownsville |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2024-11-26 |
|
| 956-538
| 6 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2021-03-14 |
|
| 956-538
| 7 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2021-03-14 |
|
| 956-538
| 8 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2021-03-14 |
|
| 956-538
| 9 |
Brownsville |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2020-07-11 |
|
| 956-539
| A |
Laredo |
TX |
SNANTXDIX4X |
197D VONAGE AMERICA LLC |
566 |
|
|
|
| 956-539
| 0 |
Laredo |
TX |
|
197D VONAGE AMERICA LLC |
566 |
|
2018-12-30 |
|
| 956-539
| 1 |
Laredo |
TX |
|
197D VONAGE AMERICA LLC |
566 |
|
2018-12-30 |
|
| 956-539
| 2 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 3 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 4 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 5 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 6 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 7 |
Laredo |
TX |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
566 |
|
2018-12-31 |
|
| 956-539
| 8 |
Laredo |
TX |
|
073H TELNYX LLC |
566 |
|
2019-01-07 |
|
| 956-539
| 9 |
Laredo |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2019-02-03 |
|
| 956-540
| A |
McAllen |
TX |
HRLNTXHGXOX |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
|
|
| 956-540
| 0 |
McAllen |
TX |
|
5562 METROPCS, INC. |
568 |
|
2017-03-03 |
|
| 956-540
| 1 |
McAllen |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2017-12-07 |
|
| 956-540
| 2 |
McAllen |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2016-07-15 |
|
| 956-540
| 3 |
McAllen |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2017-12-07 |
|
| 956-540
| 4 |
McAllen |
TX |
|
197D VONAGE AMERICA LLC |
568 |
|
2018-12-01 |
|
| 956-540
| 5 |
McAllen |
TX |
|
903C ONVOY, LLC - TX |
568 |
|
2017-04-27 |
|
| 956-540
| 6 |
McAllen |
TX |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
568 |
|
2017-06-15 |
|
| 956-540
| 7 |
McAllen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2017-08-31 |
|
| 956-540
| 8 |
McAllen |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2016-06-04 |
|
| 956-540
| 9 |
McAllen |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2016-06-04 |
|
| 956-541
| A |
Brownsville |
TX |
BWVLTXLIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-542
| A |
Brownsville |
TX |
BWVLTXLIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-543
| A |
Brownsville |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
|
|
| 956-543
| 0 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-07-06 |
|
| 956-543
| 1 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2006-11-04 |
|
| 956-543
| 2 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-07-06 |
|
| 956-543
| 3 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-07-06 |
|
| 956-543
| 4 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-07-06 |
|
| 956-543
| 5 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-02-14 |
|
| 956-543
| 6 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2006-11-04 |
|
| 956-543
| 7 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-02-14 |
|
| 956-543
| 8 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-02-14 |
|
| 956-543
| 9 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2006-11-04 |
|
| 956-544
| A |
Brownsville |
TX |
BWVLTXLIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-545
| A |
Brownsville |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2025-02-11 |
|
| 956-545
| 0 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2011-04-23 |
|
| 956-545
| 1 |
Brownsville |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2011-08-25 |
|
| 956-545
| 2 |
Brownsville |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2011-08-25 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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