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 |
| 571-310
| 0 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 1 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 2 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 3 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 4 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 5 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 6 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 7 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 8 |
Washington Zone 19 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 9 |
Washington Zone 19 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-04-06 |
|
| 571-312
| A |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
| 571-312
| 0 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 1 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 2 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 3 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 4 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 5 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 6 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-22 |
|
| 571-312
| 7 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 8 |
Washington Zone 8 |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 9 |
Washington Zone 8 |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-10-21 |
|
| 571-313
| A |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
| 571-313
| 0 |
Herndon |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2006-11-09 |
|
| 571-313
| 1 |
Herndon |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-17 |
|
| 571-313
| 2 |
Herndon |
VA |
|
9213 VERIZON VIRGINIA, INC. |
236 |
|
2007-01-28 |
|
| 571-313
| 3 |
Herndon |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-04-21 |
|
| 571-313
| 4 |
Herndon |
VA |
|
829J PAETEC ITEL, LLC |
236 |
|
2007-02-26 |
|
| 571-313
| 5 |
Herndon |
VA |
|
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2007-05-24 |
|
| 571-313
| 6 |
Herndon |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2007-05-07 |
|
| 571-313
| 7 |
Herndon |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-04-12 |
|
| 571-313
| 8 |
Herndon |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-17 |
|
| 571-313
| 9 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2007-10-08 |
|
| 571-314
| A |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-314
| 0 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-314
| 1 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 2 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 3 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 4 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 5 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 6 |
Washington Zone 17 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 7 |
Washington Zone 17 |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-11-15 |
|
| 571-314
| 8 |
Washington Zone 17 |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-11-15 |
|
| 571-314
| 9 |
Washington Zone 17 |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-10-25 |
|
| 571-315
| A |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
|
|
| 571-315
| 0 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 1 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 2 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 3 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-17 |
|
| 571-315
| 4 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-17 |
|
| 571-315
| 5 |
Herndon |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2009-05-15 |
|
<< 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
Sponsored by: Callcentric - VoIP Internet phone service
Like this site? We accept donations via PayPal.