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 |
| 571-714
| 1 |
Washington Zone 8 |
VA |
|
515J IP HORIZON LLC |
236 |
|
2025-01-25 |
|
| 571-714
| 2 |
Washington Zone 8 |
VA |
|
515J IP HORIZON LLC |
236 |
|
2025-01-25 |
|
| 571-714
| 3 |
Washington Zone 8 |
VA |
|
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2025-05-04 |
|
| 571-714
| 4 |
Washington Zone 8 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2025-02-24 |
|
| 571-714
| 5 |
Washington Zone 8 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2025-02-24 |
|
| 571-714
| 6 |
Washington Zone 8 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2025-02-03 |
|
| 571-714
| 7 |
Washington Zone 8 |
VA |
|
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2025-02-03 |
|
| 571-714
| 8 |
Washington Zone 8 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-02-02 |
|
| 571-714
| 9 |
Washington Zone 8 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-02-02 |
|
| 571-715
| A |
Herndon |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2025-02-06 |
|
| 571-715
| 0 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-02-06 |
|
| 571-715
| 1 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-02-07 |
|
| 571-715
| 2 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-03-09 |
|
| 571-715
| 3 |
Herndon |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-14 |
|
| 571-715
| 4 |
Herndon |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-10-18 |
|
| 571-715
| 5 |
Herndon |
VA |
|
145J TERRA NOVA TELECOM INC. |
236 |
|
2025-10-13 |
|
| 571-715
| 6 |
Herndon |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-02-13 |
|
| 571-715
| 7 |
Herndon |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-02-13 |
|
| 571-715
| 8 |
Herndon |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-02-13 |
|
| 571-715
| 9 |
Herndon |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-02-13 |
|
| 571-716
| A |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-03-31 |
|
| 571-716
| 0 |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-03-31 |
|
| 571-716
| 1 |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-04-13 |
|
| 571-716
| 2 |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-04-13 |
|
| 571-716
| 3 |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-10-12 |
|
| 571-716
| 4 |
Manassas |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-11-28 |
|
| 571-716
| 5 |
Manassas |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-12-15 |
|
| 571-716
| 6 |
Manassas |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-19 |
|
| 571-716
| 7 |
Manassas |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-12-15 |
|
| 571-716
| 8 |
Manassas |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-01 |
|
| 571-716
| 9 |
Manassas |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-01 |
|
| 571-717
| A |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-07 |
|
| 571-717
| 0 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-07 |
|
| 571-717
| 1 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-07 |
|
| 571-717
| 2 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-05-10 |
|
| 571-717
| 3 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-05-10 |
|
| 571-717
| 4 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-05-10 |
|
| 571-717
| 5 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-05-10 |
|
| 571-717
| 6 |
Washington Zone 17 |
VA |
|
490J DISH WIRELESS, LLC |
236 |
|
2025-10-27 |
|
| 571-717
| 7 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-21 |
|
| 571-717
| 8 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2025-04-08 |
|
| 571-717
| 9 |
Washington Zone 17 |
VA |
|
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2025-04-21 |
|
| 571-718
| A |
Engleside |
VA |
|
7421 AT&T - LOCAL |
236 |
|
2025-04-28 |
|
| 571-718
| 9 |
Engleside |
VA |
|
7421 AT&T - LOCAL |
236 |
|
2025-04-28 |
|
| 571-719
| A |
Manassas |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
|
|
| 571-719
| 0 |
Manassas |
VA |
|
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2014-11-09 |
|
| 571-719
| 1 |
Manassas |
VA |
|
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2015-10-09 |
|
| 571-719
| 2 |
Manassas |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-10-13 |
|
| 571-719
| 3 |
Manassas |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2016-01-13 |
|
| 571-719
| 4 |
Manassas |
VA |
|
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2015-07-16 |
|
<< 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: VoIP.ms
Like this site? We accept donations via PayPal.