Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-546 A Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-546 0 Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2023-10-14   
571-546 1 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-11   
571-546 2 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-11-11   
571-546 3 Washington Zone 19 VA   138E ONVOY, LLC - VA 236   2024-02-23   
571-546 4 Washington Zone 19 VA WASHDC12DS6  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2023-10-14   
571-546 5 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-14   
571-546 6 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-14   
571-546 7 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2023-10-14   
571-546 8 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-13   
571-546 9 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2023-10-13   
571-547 A Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-547 0 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2022-08-20   
571-547 1 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2022-08-20   
571-547 2 Washington Zone 8 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2022-04-24   
571-547 3 Washington Zone 8 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2022-05-21   
571-547 4 Washington Zone 8 VA WASHDC127MD  073H TELNYX LLC 236   2022-12-30   
571-547 5 Washington Zone 8 VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-04-21   
571-547 6 Washington Zone 8 VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-04-21   
571-547 7 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-04-02   
571-547 8 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-04-02   
571-547 9 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-04-02   
571-548 A Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-548 0 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2022-05-22   
571-548 1 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2022-05-22   
571-548 2 Herndon VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2022-05-22   
571-548 3 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-09-09   
571-548 4 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-09-09   
571-548 5 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-05-23   
571-548 6 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-05-23   
571-548 7 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-09-09   
571-548 8 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-09-09   
571-548 9 Herndon VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-09-09   
571-549 A Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236      
571-549 0 Braddock VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-07-01   
571-549 1 Braddock VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2016-07-22   
571-549 2 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-08-11   
571-549 3 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-08-11   
571-549 4 Braddock VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2016-08-18   
571-549 5 Braddock VA ARTNVAARX8X  551G NUSO, LLC 236   2016-10-07   
571-549 6 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-06-08   
571-549 7 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-06-08   
571-549 8 Braddock VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2016-08-18   
571-549 9 Braddock VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-08-29   
571-550 A Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-550 0 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2013-01-17   
571-550 1 Washington Zone 17 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2013-01-17   
571-550 2 Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-10-24   
571-550 3 Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-10-24   
571-550 4 Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2013-10-24   

<< 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 >>

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.