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 |
| 571-633
| A |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 0 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 1 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 2 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 3 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 4 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 5 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2011-11-30 |
|
| 571-633
| 6 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 7 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 8 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-633
| 9 |
Washington Zone 17 |
VA |
MCLNVALVDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
|
|
| 571-634
| A |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-634
| 0 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2019-10-23 |
|
| 571-634
| 1 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2018-12-31 |
|
| 571-634
| 2 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2019-10-23 |
|
| 571-634
| 3 |
Washington Zone 17 |
VA |
WASHDC12DS6 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-03-12 |
|
| 571-634
| 4 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-634
| 5 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-634
| 6 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-08-25 |
|
| 571-634
| 7 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-08-25 |
|
| 571-634
| 8 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-08-16 |
|
| 571-634
| 9 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-11-26 |
|
| 571-635
| A |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-635
| 0 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-07-14 |
|
| 571-635
| 1 |
Washington Zone 17 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-05-14 |
|
| 571-635
| 2 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-07-14 |
|
| 571-635
| 3 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-07-14 |
|
| 571-635
| 4 |
Washington Zone 17 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-12-23 |
|
| 571-635
| 5 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2016-09-08 |
|
| 571-635
| 6 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2016-09-08 |
|
| 571-635
| 7 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2016-09-15 |
|
| 571-635
| 8 |
Washington Zone 17 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2015-08-16 |
|
| 571-635
| 9 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-03-09 |
|
| 571-636
| A |
Haymarket |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
|
|
| 571-636
| 0 |
Haymarket |
VA |
ARTNVAARX8X |
551G NUSO, LLC |
236 |
|
2018-07-31 |
|
| 571-636
| 1 |
Haymarket |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-06-14 |
|
| 571-636
| 2 |
Haymarket |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-02-06 |
|
| 571-636
| 3 |
Haymarket |
VA |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2025-07-25 |
|
| 571-636
| 4 |
Haymarket |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-03-14 |
|
| 571-636
| 5 |
Haymarket |
VA |
|
073H TELNYX LLC |
236 |
|
2025-11-14 |
|
| 571-636
| 6 |
Haymarket |
VA |
|
4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA |
236 |
|
2026-04-13 |
|
| 571-636
| 7 |
Haymarket |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-12-26 |
|
| 571-636
| 8 |
Haymarket |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-12-26 |
|
| 571-636
| 9 |
Haymarket |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-07-26 |
|
| 571-637
| A |
Washington Zone 8 |
VA |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
|
|
| 571-637
| 0 |
Washington Zone 8 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 571-637
| 1 |
Washington Zone 8 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 571-637
| 2 |
Washington Zone 8 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 571-637
| 3 |
Washington Zone 8 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
| 571-637
| 4 |
Washington Zone 8 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2023-08-06 |
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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