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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 956-319
| 2 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2007-07-13 |
|
| 956-319
| 3 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2007-07-13 |
|
| 956-319
| 4 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2005-04-02 |
|
| 956-319
| 5 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2005-07-17 |
|
| 956-319
| 6 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2005-08-22 |
|
| 956-319
| 7 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2005-12-16 |
|
| 956-319
| 8 |
Laredo |
TX |
SNANTX91X7Y |
4290 STPCS JOINT VENTURE, LLC |
566 |
|
2005-06-12 |
|
| 956-319
| 9 |
Laredo |
TX |
LARDTXAC1MD |
7421 AT&T - LOCAL |
566 |
|
|
|
| 956-320
| A |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
|
|
| 956-320
| 0 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2008-12-19 |
|
| 956-320
| 1 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-03-07 |
|
| 956-320
| 2 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-06-24 |
|
| 956-320
| 3 |
Harlingen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2010-07-08 |
|
| 956-320
| 4 |
Harlingen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2010-07-08 |
|
| 956-320
| 5 |
Harlingen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2010-07-08 |
|
| 956-320
| 6 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-09-25 |
|
| 956-320
| 7 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-10-24 |
|
| 956-320
| 8 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-10-29 |
|
| 956-320
| 9 |
Harlingen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2010-10-29 |
|
| 956-321
| A |
Mission |
TX |
HRLNTXKX8MD |
5562 METROPCS, INC. |
568 |
|
|
|
| 956-321
| 0 |
Mission |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2025-11-14 |
|
| 956-321
| 1 |
Mission |
TX |
HRLNTXKX8MD |
5562 METROPCS, INC. |
568 |
|
2007-03-20 |
|
| 956-321
| 2 |
Mission |
TX |
HRLNTXDU7MD |
145J TERRA NOVA TELECOM INC. |
568 |
|
2024-12-30 |
|
| 956-321
| 3 |
Mission |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2015-08-20 |
|
| 956-321
| 4 |
Mission |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2024-11-22 |
|
| 956-321
| 5 |
Mission |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2015-08-20 |
|
| 956-321
| 6 |
Mission |
TX |
|
145J TERRA NOVA TELECOM INC. |
568 |
|
2026-04-14 |
|
| 956-321
| 7 |
Mission |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2024-11-22 |
|
| 956-321
| 8 |
Mission |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2024-11-22 |
|
| 956-321
| 9 |
Mission |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-03-20 |
|
| 956-322
| A |
McAllen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
|
|
| 956-322
| 0 |
McAllen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2011-04-01 |
|
| 956-322
| 1 |
McAllen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2011-04-01 |
|
| 956-322
| 2 |
McAllen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2011-04-01 |
|
| 956-322
| 3 |
McAllen |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2014-04-26 |
|
| 956-322
| 4 |
McAllen |
TX |
HRLNTXHGMMD |
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2014-05-12 |
|
| 956-322
| 5 |
McAllen |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2014-07-10 |
|
| 956-322
| 6 |
McAllen |
TX |
HRLNTXHGXOX |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2013-10-21 |
|
| 956-322
| 7 |
McAllen |
TX |
HRLNTXHGXOX |
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
568 |
|
2014-03-14 |
|
| 956-322
| 8 |
McAllen |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2015-06-04 |
|
| 956-322
| 9 |
McAllen |
TX |
HRLNTXHGX7X |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2015-08-10 |
|
| 956-323
| A |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-323
| 1 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 2 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 3 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 4 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 5 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 6 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 7 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
| 956-323
| 8 |
Mission |
TX |
MSSNTXMIDS0 |
9533 SOUTHWESTERN BELL |
568 |
|
2004-03-25 |
|
<< 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 >>
Last updated: Sat, 21 Mar 2026 23:53:39 UTC
Sponsored by: ISP Telecom
Like this site? We accept donations via PayPal.