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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-398
| 8 |
Occoquan |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-06-09 |
|
| 571-398
| 9 |
Occoquan |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2012-10-11 |
|
| 571-399
| A |
Independent Hill |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
|
|
| 571-399
| 0 |
Independent Hill |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2009-03-19 |
|
| 571-399
| 1 |
Independent Hill |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2009-03-19 |
|
| 571-399
| 2 |
Independent Hill |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2009-03-19 |
|
| 571-399
| 3 |
Independent Hill |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2017-03-27 |
|
| 571-399
| 4 |
Independent Hill |
VA |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-08-30 |
|
| 571-399
| 5 |
Independent Hill |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-02-20 |
|
| 571-399
| 6 |
Independent Hill |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-10-29 |
|
| 571-399
| 7 |
Independent Hill |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2012-05-14 |
|
| 571-399
| 8 |
Independent Hill |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2012-06-15 |
|
| 571-399
| 9 |
Independent Hill |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2013-05-05 |
|
| 571-400
| A |
Washington Zone 8 |
VA |
WASHDC12KMD |
145J TERRA NOVA TELECOM INC. |
236 |
|
|
|
| 571-400
| 0 |
Washington Zone 8 |
VA |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2019-05-16 |
|
| 571-400
| 1 |
Washington Zone 8 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2019-09-09 |
|
| 571-400
| 2 |
Washington Zone 8 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2020-01-11 |
|
| 571-400
| 3 |
Washington Zone 8 |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-08-24 |
|
| 571-400
| 4 |
Washington Zone 8 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-08-24 |
|
| 571-400
| 5 |
Washington Zone 8 |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-09-13 |
|
| 571-400
| 6 |
Washington Zone 8 |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-09-13 |
|
| 571-400
| 7 |
Washington Zone 8 |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-12-31 |
|
| 571-400
| 8 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-09-13 |
|
| 571-400
| 9 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2019-09-13 |
|
| 571-401
| A |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-401
| 0 |
Herndon |
VA |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2019-01-23 |
|
| 571-401
| 1 |
Herndon |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-06-06 |
|
| 571-401
| 2 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 3 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 4 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 5 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 6 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2018-12-30 |
|
| 571-401
| 7 |
Herndon |
VA |
WASIDCRG7MD |
508J CENTURYLINK COMMUNICATIONS, LLC |
236 |
|
2019-03-08 |
|
| 571-401
| 8 |
Herndon |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-05-25 |
|
| 571-401
| 9 |
Herndon |
VA |
WASHDC12DS6 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2019-07-10 |
|
| 571-402
| A |
Dale City |
VA |
CHCHMDBEPS0 |
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
|
|
| 571-402
| 0 |
Dale City |
VA |
CHCHMDBEPS0 |
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
2009-05-21 |
|
| 571-402
| 1 |
Dale City |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2009-05-26 |
|
| 571-402
| 2 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-03-08 |
|
| 571-402
| 3 |
Dale City |
VA |
DLCYVAXADS0 |
0233 VERIZON SOUTH, INC. - VA (CONTEL) |
236 |
|
2009-05-30 |
|
| 571-402
| 4 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-03-08 |
|
| 571-402
| 5 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-03-08 |
|
| 571-402
| 6 |
Dale City |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2013-11-16 |
|
| 571-402
| 7 |
Dale City |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-08-30 |
|
| 571-402
| 8 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-06-25 |
|
| 571-402
| 9 |
Dale City |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2009-05-23 |
|
| 571-403
| A |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-403
| 0 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-13 |
|
| 571-403
| 1 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-06-25 |
|
| 571-403
| 2 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2010-06-25 |
|
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Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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