Local Calling Guide
Area code/prefix search
NPA: 571
[Rate centres in NPA 571]
[Dial plan for NPA 571]
<< 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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-756
| 1 |
Haymarket |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-15 |
|
| 571-756
| 6 |
Haymarket |
VA |
|
073H TELNYX LLC |
236 |
|
2026-07-27 |
|
| 571-757
| A |
Washington Zone 19 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2026-06-29 |
|
| 571-757
| 0 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 1 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 2 |
Washington Zone 19 |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 3 |
Washington Zone 19 |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 4 |
Washington Zone 19 |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 5 |
Washington Zone 19 |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2026-06-30 |
|
| 571-757
| 6 |
Washington Zone 19 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2026-06-29 |
|
| 571-757
| 7 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-30 |
|
| 571-757
| 8 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-30 |
|
| 571-757
| 9 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-30 |
|
| 571-758
| A |
Dulles |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
|
|
| 571-758
| 0 |
Dulles |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 571-758
| 1 |
Dulles |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2013-07-23 |
|
| 571-758
| 2 |
Dulles |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2014-03-26 |
|
| 571-758
| 3 |
Dulles |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2014-06-02 |
|
| 571-758
| 4 |
Dulles |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2014-07-17 |
|
| 571-758
| 5 |
Dulles |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2013-08-16 |
|
| 571-758
| 6 |
Dulles |
VA |
|
515J IP HORIZON LLC |
236 |
|
2015-03-21 |
|
| 571-758
| 7 |
Dulles |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2015-05-18 |
|
| 571-758
| 8 |
Dulles |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2014-08-20 |
|
| 571-758
| 9 |
Dulles |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2013-07-20 |
|
| 571-759
| A |
Herndon |
VA |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2026-06-19 |
|
| 571-759
| 0 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-22 |
|
| 571-759
| 1 |
Herndon |
VA |
|
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2026-06-19 |
|
| 571-759
| 2 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 3 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 4 |
Herndon |
VA |
|
073H TELNYX LLC |
236 |
|
2026-07-11 |
|
| 571-759
| 5 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 6 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 7 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 8 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-24 |
|
| 571-759
| 9 |
Herndon |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-22 |
|
| 571-760
| A |
Washington Zone 8 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-02 |
|
| 571-760
| 4 |
Washington Zone 8 |
VA |
|
073H TELNYX LLC |
236 |
|
2026-07-30 |
|
| 571-760
| 8 |
Washington Zone 8 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-07-03 |
|
| 571-760
| 9 |
Washington Zone 8 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-07-02 |
|
| 571-761
| A |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-28 |
|
| 571-761
| 0 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-06-28 |
|
| 571-761
| 5 |
Lorton |
VA |
|
073H TELNYX LLC |
236 |
|
2026-07-27 |
|
| 571-762
| A |
Manassas |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-762
| 0 |
Manassas |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-10-10 |
|
| 571-762
| 1 |
Manassas |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-11-11 |
|
| 571-762
| 2 |
Manassas |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-11-11 |
|
| 571-762
| 3 |
Manassas |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2010-09-28 |
|
| 571-762
| 4 |
Manassas |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-11-11 |
|
| 571-762
| 5 |
Manassas |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-28 |
|
| 571-762
| 6 |
Manassas |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2010-09-28 |
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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