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 |
| 571-548
| 5 |
Herndon |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-05-23 |
|
| 571-548
| 6 |
Herndon |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-05-23 |
|
| 571-548
| 7 |
Herndon |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-09-09 |
|
| 571-548
| 8 |
Herndon |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-09-09 |
|
| 571-548
| 9 |
Herndon |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-09-09 |
|
| 571-549
| A |
Braddock |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
| 571-549
| 0 |
Braddock |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-07-01 |
|
| 571-549
| 1 |
Braddock |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2016-07-22 |
|
| 571-549
| 2 |
Braddock |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-08-11 |
|
| 571-549
| 3 |
Braddock |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-08-11 |
|
| 571-549
| 4 |
Braddock |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2016-08-18 |
|
| 571-549
| 5 |
Braddock |
VA |
ARTNVAARX8X |
551G NUSO, LLC |
236 |
|
2016-10-07 |
|
| 571-549
| 6 |
Braddock |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-06-08 |
|
| 571-549
| 7 |
Braddock |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2016-06-08 |
|
| 571-549
| 8 |
Braddock |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2016-08-18 |
|
| 571-549
| 9 |
Braddock |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-08-29 |
|
| 571-550
| A |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
|
|
| 571-550
| 0 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2013-01-17 |
|
| 571-550
| 1 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2013-01-17 |
|
| 571-550
| 2 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 3 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 4 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 5 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 6 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 7 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 8 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2013-10-24 |
|
| 571-550
| 9 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2014-03-28 |
|
| 571-551
| A |
Washington Zone 8 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
|
|
| 571-551
| 0 |
Washington Zone 8 |
VA |
|
515J IP HORIZON LLC |
236 |
|
2013-08-09 |
|
| 571-551
| 1 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-08-14 |
|
| 571-551
| 2 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2013-10-03 |
|
| 571-551
| 3 |
Washington Zone 8 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2013-07-07 |
|
| 571-551
| 4 |
Washington Zone 8 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2013-07-07 |
|
| 571-551
| 5 |
Washington Zone 8 |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2013-09-29 |
|
| 571-551
| 6 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2013-09-24 |
|
| 571-551
| 7 |
Washington Zone 8 |
VA |
WASHDCTTDS0 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2014-05-30 |
|
| 571-551
| 8 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-08-14 |
|
| 571-551
| 9 |
Washington Zone 8 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2013-08-14 |
|
| 571-552
| A |
Dale City |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
|
|
| 571-552
| 0 |
Dale City |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2016-01-02 |
|
| 571-552
| 1 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2018-01-21 |
|
| 571-552
| 2 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2017-06-19 |
|
| 571-552
| 3 |
Dale City |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2016-03-25 |
|
| 571-552
| 4 |
Dale City |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2016-02-29 |
|
| 571-552
| 5 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-01-19 |
|
| 571-552
| 6 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-01-19 |
|
| 571-552
| 7 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-01-19 |
|
| 571-552
| 8 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2016-01-19 |
|
| 571-552
| 9 |
Dale City |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2016-01-02 |
|
| 571-553
| A |
Leesburg |
VA |
CLPPVACUX4X |
829J PAETEC ITEL, LLC |
246 |
|
2025-02-25 |
|
<< 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
Sponsored by: FiberConX Communications Ltd.
Like this site? We accept donations via PayPal.