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 |
| 956-621
| A |
Brownsville |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2025-02-11 |
|
| 956-621
| 0 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 1 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 2 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 3 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 4 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 5 |
Brownsville |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-621
| 6 |
Brownsville |
TX |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
568 |
|
2012-02-20 |
|
| 956-621
| 7 |
Brownsville |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
568 |
|
2012-08-27 |
|
| 956-621
| 8 |
Brownsville |
TX |
|
5562 METROPCS, INC. |
568 |
|
2013-06-21 |
|
| 956-621
| 9 |
Brownsville |
TX |
|
5562 METROPCS, INC. |
568 |
|
2013-06-21 |
|
| 956-622
| A |
Harlingen |
TX |
MCALTX930MD |
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
568 |
|
|
|
| 956-622
| 0 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2004-03-16 |
|
| 956-622
| 1 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2005-08-22 |
|
| 956-622
| 2 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2009-01-28 |
|
| 956-622
| 3 |
Harlingen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2011-01-14 |
|
| 956-622
| 4 |
Harlingen |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
568 |
|
|
|
| 956-622
| 5 |
Harlingen |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
568 |
|
2005-04-28 |
|
| 956-622
| 6 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2011-08-09 |
|
| 956-622
| 7 |
Harlingen |
TX |
|
6114 LEVEL 3 COMMUNICATIONS, LLC - TX |
568 |
|
2007-01-26 |
|
| 956-622
| 8 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2010-02-20 |
|
| 956-622
| 9 |
Harlingen |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2005-04-17 |
|
| 956-623
| A |
McAllen |
TX |
HRLNTXATXMD |
6630 USA MOBILITY WIRELESS, INC. |
568 |
|
|
|
| 956-624
| A |
McAllen |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
|
|
| 956-625
| A |
Laredo |
TX |
SNANTXCADS7 |
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
566 |
|
|
|
| 956-625
| 0 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2017-06-30 |
|
| 956-625
| 1 |
Laredo |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
566 |
|
2016-02-29 |
|
| 956-625
| 2 |
Laredo |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
566 |
|
2017-09-29 |
|
| 956-625
| 3 |
Laredo |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
566 |
|
2017-09-29 |
|
| 956-625
| 4 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2016-03-25 |
|
| 956-625
| 5 |
Laredo |
TX |
|
903C ONVOY, LLC - TX |
566 |
|
2016-03-25 |
|
| 956-625
| 6 |
Laredo |
TX |
|
7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
566 |
|
2016-08-08 |
|
| 956-625
| 7 |
Laredo |
TX |
|
5562 METROPCS, INC. |
566 |
|
2017-11-16 |
|
| 956-625
| 8 |
Laredo |
TX |
|
6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
566 |
|
2017-10-18 |
|
| 956-625
| 9 |
Laredo |
TX |
|
177F PEERLESS NETWORK OF TEXAS, LLC - TX |
566 |
|
2018-09-01 |
|
| 956-626
| A |
San Benito |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, LLC |
568 |
|
|
|
| 956-626
| 0 |
San Benito |
TX |
|
004F BANDWIDTH.COM CLEC, LLC - TX |
568 |
|
2015-10-11 |
|
| 956-626
| 1 |
San Benito |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2011-01-14 |
|
| 956-626
| 2 |
San Benito |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2015-03-30 |
|
| 956-626
| 3 |
San Benito |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2018-02-26 |
|
| 956-626
| 4 |
San Benito |
TX |
|
624H ONVOY SPECTRUM, LLC |
568 |
|
2021-06-24 |
|
| 956-626
| 5 |
San Benito |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2011-01-23 |
|
| 956-626
| 6 |
San Benito |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2011-01-23 |
|
| 956-626
| 7 |
San Benito |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2011-01-23 |
|
| 956-626
| 8 |
San Benito |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2011-01-23 |
|
| 956-626
| 9 |
San Benito |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2007-06-16 |
|
| 956-627
| A |
McAllen |
TX |
HRLNTXHGXYX |
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2025-02-11 |
|
| 956-627
| 0 |
McAllen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-627
| 1 |
McAllen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
| 956-627
| 2 |
McAllen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
|
|
<< 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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