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 |
| 571-921
| 4 |
Manassas |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2003-01-06 |
|
| 571-921
| 5 |
Manassas |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-07-23 |
|
| 571-921
| 6 |
Manassas |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-07-23 |
|
| 571-921
| 7 |
Manassas |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2003-07-23 |
|
| 571-921
| 8 |
Manassas |
VA |
MNSSVAXADS0 |
0233 VERIZON SOUTH, INC. - VA (CONTEL) |
236 |
|
|
|
| 571-921
| 9 |
Manassas |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2004-12-06 |
|
| 571-926
| A |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
|
|
| 571-926
| 0 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-08-21 |
|
| 571-926
| 1 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-08-21 |
|
| 571-926
| 2 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2006-11-13 |
|
| 571-926
| 3 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2006-11-13 |
|
| 571-926
| 4 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2006-11-13 |
|
| 571-926
| 5 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-06-01 |
|
| 571-926
| 6 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-07-02 |
|
| 571-926
| 7 |
Herndon |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-08-21 |
|
| 571-926
| 8 |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-07-12 |
|
| 571-926
| 9 |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-05-18 |
|
| 571-931
| A |
Triangle |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-931
| 0 |
Triangle |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2005-03-26 |
|
| 571-931
| 1 |
Triangle |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 571-931
| 2 |
Triangle |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-04 |
|
| 571-931
| 3 |
Triangle |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-04 |
|
| 571-931
| 4 |
Triangle |
VA |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2026-09-12 |
|
| 571-931
| 5 |
Triangle |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2008-05-03 |
|
| 571-931
| 6 |
Triangle |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-06-29 |
|
| 571-931
| 7 |
Triangle |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2009-02-10 |
|
| 571-931
| 8 |
Triangle |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2009-02-10 |
|
| 571-931
| 9 |
Triangle |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-10-04 |
|
| 571-932
| A |
Lorton Metro |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-932
| 1 |
Lorton Metro |
VA |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2026-07-13 |
|
| 571-932
| 2 |
Lorton Metro |
VA |
|
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
2009-03-27 |
|
| 571-932
| 3 |
Lorton Metro |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2014-09-01 |
|
| 571-932
| 4 |
Lorton Metro |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 571-932
| 5 |
Lorton Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2017-03-27 |
|
| 571-932
| 6 |
Lorton Metro |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-06-29 |
|
| 571-932
| 7 |
Lorton Metro |
VA |
|
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
2018-06-14 |
|
| 571-932
| 8 |
Lorton Metro |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2013-05-06 |
|
| 571-932
| 9 |
Lorton Metro |
VA |
WASHDC12DS6 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2016-12-02 |
|
| 571-933
| A |
Dulles Metro |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-933
| 1 |
Dulles Metro |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 571-933
| 2 |
Dulles Metro |
VA |
|
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
2009-03-27 |
|
| 571-933
| 3 |
Dulles Metro |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2008-03-30 |
|
| 571-933
| 4 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-03-21 |
|
| 571-933
| 5 |
Dulles Metro |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2010-06-25 |
|
| 571-933
| 6 |
Dulles Metro |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2010-11-18 |
|
| 571-933
| 7 |
Dulles Metro |
VA |
WASLDCRGDS0 |
367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA |
236 |
|
2010-09-24 |
|
| 571-933
| 8 |
Dulles Metro |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2011-03-14 |
|
| 571-933
| 9 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-03-21 |
|
| 571-934
| A |
Dulles |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-934
| 0 |
Dulles |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2026-06-26 |
|
<< 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 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
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