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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-310
| 1 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 2 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 3 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-05-03 |
|
| 571-310
| 4 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 5 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 6 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 7 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 8 |
Washington Zone 19 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2018-07-15 |
|
| 571-310
| 9 |
Washington Zone 19 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-04-06 |
|
| 571-312
| A |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
| 571-312
| 0 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 1 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 2 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 3 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 4 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-29 |
|
| 571-312
| 5 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 6 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-12-22 |
|
| 571-312
| 7 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 8 |
Washington Zone 8 |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-08-15 |
|
| 571-312
| 9 |
Washington Zone 8 |
VA |
WASKDCFNPS0 |
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 |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2006-11-09 |
|
| 571-313
| 1 |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-17 |
|
| 571-313
| 2 |
Herndon |
VA |
CNVIVACTDS0 |
9213 VERIZON VIRGINIA, INC. |
236 |
|
2007-01-28 |
|
| 571-313
| 3 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2007-04-21 |
|
| 571-313
| 4 |
Herndon |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2007-02-26 |
|
| 571-313
| 5 |
Herndon |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2007-05-24 |
|
| 571-313
| 6 |
Herndon |
VA |
WASHDCDTDS1 |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2007-05-07 |
|
| 571-313
| 7 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2008-04-12 |
|
| 571-313
| 8 |
Herndon |
VA |
ARTNVAARXDY |
318J COMCAST IP PHONE, LLC |
236 |
|
2007-09-17 |
|
| 571-313
| 9 |
Herndon |
VA |
BTVLMD12CMA |
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 |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2009-02-14 |
|
| 571-314
| 1 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 2 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 3 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 4 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 5 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 6 |
Washington Zone 17 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2008-12-23 |
|
| 571-314
| 7 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-11-15 |
|
| 571-314
| 8 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-11-15 |
|
| 571-314
| 9 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
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 |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 1 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 2 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-06-16 |
|
| 571-315
| 3 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-17 |
|
| 571-315
| 4 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2008-07-17 |
|
| 571-315
| 5 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2009-05-15 |
|
| 571-315
| 6 |
Herndon |
VA |
BTVLMD12CMA |
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 >>
Last updated: Sat, 10 Oct 2026 15:24:20 UTC
Sponsored by: Execulink Telecom
Like this site? We accept donations via PayPal.