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 |
| 571-539
| 4 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2019-12-22 |
|
| 571-539
| 5 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2020-09-27 |
|
| 571-539
| 6 |
Herndon |
VA |
WASKDCFNPS0 |
7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
236 |
|
2020-09-27 |
|
| 571-539
| 7 |
Herndon |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2021-02-08 |
|
| 571-539
| 8 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2021-09-24 |
|
| 571-539
| 9 |
Herndon |
VA |
BTVLMD12CMA |
6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
236 |
|
2020-01-15 |
|
| 571-540
| A |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2024-06-09 |
|
| 571-540
| 0 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2024-06-09 |
|
| 571-540
| 1 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2024-06-09 |
|
| 571-540
| 2 |
Washington Zone 17 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2024-06-09 |
|
| 571-540
| 3 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-07-07 |
|
| 571-540
| 4 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-07-07 |
|
| 571-540
| 5 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-07-07 |
|
| 571-540
| 6 |
Washington Zone 17 |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2024-07-07 |
|
| 571-540
| 7 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2024-06-30 |
|
| 571-540
| 8 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2024-06-30 |
|
| 571-540
| 9 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2024-06-30 |
|
| 571-541
| A |
Leesburg |
VA |
LSBGVA151MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
246 |
|
|
|
| 571-541
| 0 |
Leesburg |
VA |
LSBGVALBX2X |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
246 |
|
2021-12-31 |
|
| 571-541
| 1 |
Leesburg |
VA |
WNCHVAWC8MD |
624H ONVOY SPECTRUM, LLC |
246 |
|
2021-11-15 |
|
| 571-541
| 2 |
Leesburg |
VA |
WNCHVAWC8MD |
624H ONVOY SPECTRUM, LLC |
246 |
|
2021-11-15 |
|
| 571-541
| 3 |
Leesburg |
VA |
CLPPVACURMD |
138E ONVOY, LLC - VA |
246 |
|
2021-11-15 |
|
| 571-541
| 4 |
Leesburg |
VA |
CLPPVACURMD |
138E ONVOY, LLC - VA |
246 |
|
2021-11-15 |
|
| 571-541
| 5 |
Leesburg |
VA |
WNCHVAWC8MD |
624H ONVOY SPECTRUM, LLC |
246 |
|
2021-11-15 |
|
| 571-541
| 6 |
Leesburg |
VA |
LSBGVA151MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
246 |
|
2021-10-15 |
|
| 571-541
| 7 |
Leesburg |
VA |
LSBGVA151MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
246 |
|
2021-10-15 |
|
| 571-541
| 8 |
Leesburg |
VA |
LSBGVA151MD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
246 |
|
2021-10-15 |
|
| 571-541
| 9 |
Leesburg |
VA |
CLPPVACURMD |
138E ONVOY, LLC - VA |
246 |
|
2022-02-12 |
|
| 571-542
| A |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
|
|
| 571-542
| 0 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 1 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 2 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 3 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 4 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 5 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 6 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 7 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 8 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-542
| 9 |
Dale City |
VA |
|
318J COMCAST IP PHONE, LLC |
236 |
|
2011-06-10 |
|
| 571-543
| A |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
|
|
| 571-543
| 0 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2022-03-13 |
|
| 571-543
| 1 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2022-03-13 |
|
| 571-543
| 2 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2022-03-13 |
|
| 571-543
| 3 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2022-03-13 |
|
| 571-543
| 4 |
Dale City |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2022-03-13 |
|
| 571-543
| 5 |
Dale City |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-04-14 |
|
| 571-543
| 6 |
Dale City |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2022-10-28 |
|
| 571-543
| 7 |
Dale City |
VA |
WASHDCSWMMD |
624H ONVOY SPECTRUM, LLC |
236 |
|
2022-03-14 |
|
| 571-543
| 8 |
Dale City |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2022-10-28 |
|
| 571-543
| 9 |
Dale City |
VA |
BTVLMD18GT0 |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2022-11-06 |
|
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Last updated: Fri, 10 Jul 2026 02:55:48 UTC
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