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 |
| 571-664
| 9 |
Manassas |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-04-11 |
|
| 571-665
| A |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-665
| 0 |
Herndon |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-11-15 |
|
| 571-665
| 1 |
Herndon |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-11-15 |
|
| 571-665
| 2 |
Herndon |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-06-03 |
|
| 571-665
| 3 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-04-24 |
|
| 571-665
| 4 |
Herndon |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2015-06-14 |
|
| 571-665
| 5 |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2015-04-25 |
|
| 571-665
| 6 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 7 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 8 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-06-21 |
|
| 571-665
| 9 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-06-21 |
|
| 571-666
| A |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-666
| 0 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2018-09-26 |
|
| 571-666
| 1 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2018-09-26 |
|
| 571-666
| 2 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-02-05 |
|
| 571-666
| 3 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-10-21 |
|
| 571-666
| 4 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-666
| 5 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-666
| 6 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2017-11-27 |
|
| 571-666
| 7 |
Washington Zone 17 |
VA |
|
5832 CORETEL VIRGINIA, LLC - VA |
236 |
|
2019-07-31 |
|
| 571-666
| 8 |
Washington Zone 17 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-06-10 |
|
| 571-666
| 9 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2024-02-24 |
|
| 571-667
| A |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-667
| 0 |
Lorton |
VA |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2021-06-13 |
|
| 571-667
| 1 |
Lorton |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2021-08-21 |
|
| 571-667
| 2 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-02-20 |
|
| 571-667
| 3 |
Lorton |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
| 571-667
| 4 |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 5 |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 6 |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 7 |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 8 |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2022-09-29 |
|
| 571-667
| 9 |
Lorton |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2021-07-30 |
|
| 571-668
| A |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-668
| 0 |
Washington Zone 19 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2021-03-26 |
|
| 571-668
| 1 |
Washington Zone 19 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 2 |
Washington Zone 19 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 3 |
Washington Zone 19 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 4 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 5 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 6 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 7 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 8 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 9 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2021-07-10 |
|
| 571-669
| A |
Washington Zone 19 |
VA |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
|
|
| 571-669
| 0 |
Washington Zone 19 |
VA |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2019-01-18 |
|
| 571-669
| 1 |
Washington Zone 19 |
VA |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2019-01-18 |
|
| 571-669
| 2 |
Washington Zone 19 |
VA |
WASHDC125MD |
197D VONAGE AMERICA LLC |
236 |
|
2019-01-18 |
|
| 571-669
| 3 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
<< 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 >>
Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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