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
571-866 9 Occoquan VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2022-02-14   
571-867 A Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236      
571-867 0 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2017-08-03   
571-867 1 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2017-08-03   
571-867 2 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-10   
571-867 3 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-10   
571-867 4 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2017-07-10   
571-867 5 Washington Zone 8 VA ARTNVAARX5Y  939H COMMIO, LLC 236   2017-07-09   
571-867 6 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2017-08-03   
571-867 7 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2017-08-03   
571-867 8 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2019-01-01   
571-867 9 Washington Zone 8 VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2018-06-12   
571-877 A Lorton Metro VA ARTNVAARXBY  965H FRACTEL, LLC 236      
571-877 0 Lorton Metro VA VINNVACBAMD  515J IP HORIZON LLC 236   2021-08-22   
571-877 1 Lorton Metro VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-03   
571-877 2 Lorton Metro VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2022-03-03   
571-877 3 Lorton Metro VA WASHDC127MD  073H TELNYX LLC 236   2022-12-11   
571-877 4 Lorton Metro VA ARTNVAARXFY  506J TWILIO INTERNATIONAL, INC. 236   2021-01-02   
571-877 5 Lorton Metro VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
571-877 6 Lorton Metro VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-09   
571-877 7 Lorton Metro VA ARTNVAARXBY  965H FRACTEL, LLC 236   2020-09-25   
571-877 8 Lorton Metro VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-11-09   
571-882 A Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-882 0 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2009-02-08   
571-882 1 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-12-26   
571-882 2 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-12-26   
571-882 3 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2009-04-06   
571-882 4 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2009-04-06   
571-882 5 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-08-17   
571-882 6 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-08-17   
571-882 7 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-08-17   
571-882 8 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2009-08-17   
571-882 9 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-12-26   
571-888 A Dulles VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236      
571-888 0 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-08-20   
571-888 1 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-04   
571-888 2 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-04   
571-888 3 Dulles VA WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-06-15   
571-888 4 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-01-23   
571-888 5 Dulles VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2016-09-22   
571-888 6 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-04   
571-888 7 Dulles VA WASIDCRG7MD  508J CENTURYLINK COMMUNICATIONS, LLC 236   2014-06-25   
571-888 8 Dulles VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2014-02-16   
571-888 9 Dulles VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-04   
571-895 A Washington Zone 8 VA ARTNVAARXFY  506J TWILIO INTERNATIONAL, INC. 236      
571-895 0 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-29   
571-895 1 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-12-19   
571-895 2 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-12-19   
571-895 3 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-12-19   
571-895 4 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2020-12-19   

<< 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: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.