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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-766
| 6 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-766
| 7 |
Washington Zone 17 |
VA |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2007-10-26 |
|
| 571-766
| 8 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-766
| 9 |
Washington Zone 17 |
VA |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2008-05-05 |
|
| 571-767
| A |
Engleside |
VA |
WASHDCINDS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-767
| 0 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 1 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 2 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 3 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 4 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 5 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 6 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 7 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 8 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-767
| 9 |
Engleside |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2016-12-11 |
|
| 571-768
| A |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-09-10 |
|
| 571-768
| 9 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-09-10 |
|
| 571-769
| A |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-09-19 |
|
| 571-769
| 9 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-09-19 |
|
| 571-770
| A |
Leesburg |
VA |
CLPPVA01CMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
246 |
|
2026-07-05 |
|
| 571-770
| 0 |
Leesburg |
VA |
LSBGVALBX2X |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
246 |
|
2026-07-06 |
|
| 571-770
| 6 |
Leesburg |
VA |
FRBGVAFBMMD |
4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA |
246 |
|
2026-07-06 |
|
| 571-770
| 8 |
Leesburg |
VA |
FRBGVAFBMMD |
4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA |
246 |
|
2026-07-13 |
|
| 571-770
| 9 |
Leesburg |
VA |
CLPPVA01CMD |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
246 |
|
2026-07-05 |
|
| 571-771
| A |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-771
| 0 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2020-09-06 |
|
| 571-771
| 1 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 2 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 3 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 4 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 5 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 6 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-10 |
|
| 571-771
| 7 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2020-09-06 |
|
| 571-771
| 8 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2020-09-06 |
|
| 571-771
| 9 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-07-29 |
|
| 571-773
| A |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-773
| 0 |
Dulles Metro |
VA |
WASHDC127MD |
073H TELNYX LLC |
236 |
|
2023-04-13 |
|
| 571-773
| 1 |
Dulles Metro |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2021-08-21 |
|
| 571-773
| 3 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-05-07 |
|
| 571-773
| 4 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-05-07 |
|
| 571-773
| 5 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-05-07 |
|
| 571-773
| 6 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-05-07 |
|
| 571-773
| 7 |
Dulles Metro |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2021-05-07 |
|
| 571-773
| 8 |
Dulles Metro |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
| 571-773
| 9 |
Dulles Metro |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-04 |
|
| 571-774
| A |
Triangle |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-774
| 0 |
Triangle |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-04-10 |
|
| 571-774
| 1 |
Triangle |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2021-08-21 |
|
| 571-774
| 2 |
Triangle |
VA |
BTVLMD12CM9 |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-11-05 |
|
| 571-774
| 3 |
Triangle |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-05-21 |
|
<< 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 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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