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 |
| 956-838
| 1 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 2 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 3 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 4 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 5 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 6 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 7 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 8 |
Brownsville |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-838
| 9 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2014-12-01 |
|
| 956-839
| A |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-839
| 0 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-18 |
|
| 956-839
| 1 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-18 |
|
| 956-839
| 2 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-18 |
|
| 956-839
| 3 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-18 |
|
| 956-839
| 4 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-18 |
|
| 956-839
| 5 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-839
| 6 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-839
| 7 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-839
| 8 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-839
| 9 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2025-11-17 |
|
| 956-840
| A |
Brownsville |
TX |
HRLNTXHGXXX |
318J COMCAST IP PHONE, LLC |
568 |
|
|
|
| 956-840
| 0 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2023-07-11 |
|
| 956-840
| 1 |
Brownsville |
TX |
|
318J COMCAST IP PHONE, LLC |
568 |
|
2023-07-10 |
|
| 956-840
| 2 |
Brownsville |
TX |
|
903C ONVOY, LLC - TX |
568 |
|
2023-07-11 |
|
| 956-840
| 3 |
Brownsville |
TX |
|
903C ONVOY, LLC - TX |
568 |
|
2023-07-11 |
|
| 956-840
| 4 |
Brownsville |
TX |
|
903C ONVOY, LLC - TX |
568 |
|
2023-07-11 |
|
| 956-840
| 5 |
Brownsville |
TX |
|
903C ONVOY, LLC - TX |
568 |
|
2023-08-14 |
|
| 956-840
| 6 |
Brownsville |
TX |
|
624H ONVOY SPECTRUM, LLC |
568 |
|
2023-12-10 |
|
| 956-840
| 7 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2023-07-11 |
|
| 956-840
| 8 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2023-07-11 |
|
| 956-840
| 9 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2023-07-11 |
|
| 956-841
| A |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-841
| 5 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-841
| 6 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-841
| 7 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-841
| 8 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-841
| 9 |
Brownsville |
TX |
|
4290 STPCS JOINT VENTURE, LLC |
568 |
|
2026-02-26 |
|
| 956-842
| A |
McCook |
TX |
HRGLTXXARS0 |
2159 VALLEY TEL. COOP., INC. |
568 |
|
|
|
| 956-843
| A |
McAllen |
TX |
MCALTXHIRS1 |
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 0 |
McAllen |
TX |
|
793K TWC IP ENABLED SERVICES, LLC |
568 |
|
2014-10-31 |
|
| 956-843
| 1 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 2 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 3 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 4 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 5 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 6 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 7 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 8 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-843
| 9 |
McAllen |
TX |
|
9533 SOUTHWESTERN BELL |
568 |
|
|
|
| 956-844
| A |
Roma |
TX |
HRLNTXKX8MD |
4290 STPCS JOINT VENTURE, 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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