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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-664
| 4 |
Manassas |
VA |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-05-01 |
|
| 571-664
| 5 |
Manassas |
VA |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2024-05-01 |
|
| 571-664
| 6 |
Manassas |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-04-11 |
|
| 571-664
| 7 |
Manassas |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-04-11 |
|
| 571-664
| 8 |
Manassas |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2024-04-11 |
|
| 571-664
| 9 |
Manassas |
VA |
|
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 |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-11-15 |
|
| 571-665
| 1 |
Herndon |
VA |
|
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 |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-04-24 |
|
| 571-665
| 4 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2015-06-14 |
|
| 571-665
| 5 |
Herndon |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2015-04-25 |
|
| 571-665
| 6 |
Herndon |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 7 |
Herndon |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-06-12 |
|
| 571-665
| 8 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-06-21 |
|
| 571-665
| 9 |
Herndon |
VA |
|
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 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2018-09-26 |
|
| 571-666
| 1 |
Washington Zone 17 |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2018-09-26 |
|
| 571-666
| 2 |
Washington Zone 17 |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2018-02-05 |
|
| 571-666
| 3 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-10-21 |
|
| 571-666
| 4 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-666
| 5 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2019-03-16 |
|
| 571-666
| 6 |
Washington Zone 17 |
VA |
|
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 |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2019-06-10 |
|
| 571-666
| 9 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2024-02-24 |
|
| 571-667
| A |
Lorton |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-667
| 0 |
Lorton |
VA |
|
073H TELNYX LLC |
236 |
|
2021-06-13 |
|
| 571-667
| 1 |
Lorton |
VA |
|
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 |
|
624H ONVOY SPECTRUM, LLC |
236 |
|
2021-12-11 |
|
| 571-667
| 4 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 5 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 6 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 7 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-06-12 |
|
| 571-667
| 8 |
Lorton |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2022-09-29 |
|
| 571-667
| 9 |
Lorton |
VA |
|
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 |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2021-03-26 |
|
| 571-668
| 1 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 2 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 3 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-05-06 |
|
| 571-668
| 4 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 5 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 6 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 7 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 8 |
Washington Zone 19 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2021-03-25 |
|
| 571-668
| 9 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2021-07-10 |
|
<< 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 >>
Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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