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 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 571-746
| 1 |
Dulles |
VA |
BTVLMD12CM9 |
5562 METROPCS, INC. |
236 |
|
2022-04-21 |
|
| 571-746
| 2 |
Dulles |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-06-29 |
|
| 571-746
| 3 |
Dulles |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-06-29 |
|
| 571-746
| 4 |
Dulles |
VA |
VINNVACBAMD |
515J IP HORIZON LLC |
236 |
|
2024-12-26 |
|
| 571-746
| 5 |
Dulles |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2024-09-19 |
|
| 571-746
| 6 |
Dulles |
VA |
OCQNVAXAVMD |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2022-08-01 |
|
| 571-746
| 7 |
Dulles |
VA |
WASHDC12MMD |
516J TON80 COMMUNICATIONS, LLC |
236 |
|
2022-04-20 |
|
| 571-746
| 8 |
Dulles |
VA |
ARTNVAARDS2 |
275G PEERLESS NETWORK OF VIRGINIA, LLC - VA |
236 |
|
2022-06-25 |
|
| 571-746
| 9 |
Dulles |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2023-10-16 |
|
| 571-747
| A |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-02-01 |
|
| 571-747
| 0 |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-02-01 |
|
| 571-747
| 1 |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-02-06 |
|
| 571-747
| 6 |
Manassas |
VA |
OCQNVAXAVMD |
7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
236 |
|
2026-04-27 |
|
| 571-747
| 7 |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-05-30 |
|
| 571-747
| 8 |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-05-02 |
|
| 571-747
| 9 |
Manassas |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-03-22 |
|
| 571-748
| A |
Washington Zone 19 |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-748
| 0 |
Washington Zone 19 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2025-10-20 |
|
| 571-748
| 1 |
Washington Zone 19 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-07-13 |
|
| 571-748
| 2 |
Washington Zone 19 |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
|
|
| 571-748
| 3 |
Washington Zone 19 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2005-04-29 |
|
| 571-748
| 4 |
Washington Zone 19 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2005-04-29 |
|
| 571-748
| 5 |
Washington Zone 19 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2006-03-30 |
|
| 571-748
| 6 |
Washington Zone 19 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2006-06-25 |
|
| 571-748
| 7 |
Washington Zone 19 |
VA |
MCLNVA23DS4 |
8825 LEVEL 3 COMMUNICATIONS, LLC - VA |
236 |
|
2006-06-25 |
|
| 571-748
| 8 |
Washington Zone 19 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-09-02 |
|
| 571-748
| 9 |
Washington Zone 19 |
VA |
WASKDCFNAMD |
6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
236 |
|
2007-09-02 |
|
| 571-749
| A |
Washington Zone 17 |
VA |
WASHDCSWXZZ |
829J PAETEC ITEL, LLC |
236 |
|
2025-04-02 |
|
| 571-749
| 0 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-07-13 |
|
| 571-749
| 1 |
Washington Zone 17 |
VA |
|
073H TELNYX LLC |
236 |
|
2026-08-17 |
|
| 571-749
| 2 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-04 |
|
| 571-749
| 3 |
Washington Zone 17 |
VA |
|
138E ONVOY, LLC - VA |
236 |
|
2026-07-13 |
|
| 571-749
| 4 |
Washington Zone 17 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2020-07-04 |
|
| 571-749
| 5 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2021-02-08 |
|
| 571-749
| 6 |
Washington Zone 17 |
VA |
WASHDC12NMD |
490J BOOST SUBSCRIBERCO L.L.C. |
236 |
|
2026-07-13 |
|
| 571-749
| 7 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2005-02-20 |
|
| 571-749
| 8 |
Washington Zone 17 |
VA |
BTVLMD12CMA |
5562 METROPCS, INC. |
236 |
|
2005-02-20 |
|
| 571-749
| 9 |
Washington Zone 17 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2021-02-08 |
|
| 571-750
| A |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2026-05-11 |
|
| 571-750
| 0 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2026-05-11 |
|
| 571-750
| 1 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2026-05-12 |
|
| 571-750
| 2 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-05-18 |
|
| 571-750
| 3 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-05-18 |
|
| 571-750
| 4 |
Washington Zone 8 |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
2026-05-18 |
|
| 571-750
| 5 |
Washington Zone 8 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-04 |
|
| 571-750
| 6 |
Washington Zone 8 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-04 |
|
| 571-750
| 7 |
Washington Zone 8 |
VA |
CHCHMDBEWMD |
4036 NEW CINGULAR WIRELESS PCS, LLC - DC |
236 |
|
2026-06-04 |
|
| 571-750
| 8 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2026-05-12 |
|
| 571-750
| 9 |
Washington Zone 8 |
VA |
WASHDCDP8MD |
079F BANDWIDTH.COM CLEC, LLC - VA |
236 |
|
2026-05-12 |
|
| 571-751
| A |
Arcola |
VA |
VINNVACBDS0 |
138E ONVOY, LLC - VA |
236 |
|
|
|
<< 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 >>
Last updated: Sat, 01 Aug 2026 03:19:33 UTC
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