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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-474 4 Washington Zone 19 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2015-12-12   
571-474 5 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-02-05   
571-474 6 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-02-05   
571-474 7 Washington Zone 19 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2016-02-05   
571-474 8 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-10-30   
571-474 9 Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-10-30   
571-475 A Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236      
571-475 0 Braddock VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2020-06-30   
571-475 1 Braddock VA ARTNVAARDS2  275G PEERLESS NETWORK OF VIRGINIA, LLC - VA 236   2020-11-01   
571-475 2 Braddock VA WASHDCSWMMD  624H ONVOY SPECTRUM, LLC 236   2021-05-21   
571-475 3 Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-06-28   
571-475 4 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-07-04   
571-475 5 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-07-04   
571-475 6 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-07-04   
571-475 7 Braddock VA WASHDC125MD  197D VONAGE AMERICA LLC 236   2020-06-28   
571-475 8 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-08-20   
571-475 9 Braddock VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2020-08-20   
571-476 A Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236      
571-476 0 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 1 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 2 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 3 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 4 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 5 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 6 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 7 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 8 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-476 9 Washington Zone 19 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2021-02-25   
571-477 A Occoquan VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236      
571-477 0 Occoquan VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-04-08   
571-477 1 Occoquan VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-07-07   
571-477 2 Occoquan VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-07-07   
571-477 3 Occoquan VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2017-04-30   
571-477 4 Occoquan VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2011-07-22   
571-477 5 Occoquan VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-08-06   
571-477 6 Occoquan VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
571-477 7 Occoquan VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-10-11   
571-477 8 Occoquan VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-11   
571-477 9 Occoquan VA BTVLMD12CM9  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2011-08-11   
571-478 A Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-478 0 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 1 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 2 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 3 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 4 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 5 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-22   
571-478 6 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-21   
571-478 7 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-21   
571-478 8 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-21   
571-478 9 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2022-01-21   
571-479 A Leesburg VA ASBNVAASBMD  478J NUSO, LLC 246      
571-479 0 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 1 Leesburg VA ASBNVAASBMD  478J NUSO, LLC 246   2020-12-27   
571-479 2 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 3 Leesburg VA FRBGVAFBJMD  079F BANDWIDTH.COM CLEC, LLC - VA 246   2021-03-26   
571-479 4 Leesburg VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2021-04-02   
571-479 5 Leesburg VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2021-04-02   
571-479 6 Leesburg VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2021-04-02   
571-479 7 Leesburg VA CLPPVACURMD  138E ONVOY, LLC - VA 246   2021-04-02   
571-479 8 Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2021-04-04   
571-479 9 Leesburg VA LSBGVA151MD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 246   2021-04-04   
571-480 A Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-480 0 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 1 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 2 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 3 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-480 4 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2007-01-20   
571-480 5 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2007-01-23   
571-480 6 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-06-25   
571-480 7 Washington Zone 8 VA WASHDCDTDS1  7529 TELEPORT COMMUNICATIONS AMERICA, LLC - DC 236   2007-05-25   
571-480 8 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-05   
571-480 9 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-07   
571-481 A Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-481 0 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-08-26   
571-481 1 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-08-26   
571-481 2 Washington Zone 8 VA STNGVA08AMD  4534 PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA 236   2007-04-30   
571-481 3 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-05   
571-481 4 Washington Zone 8 VA FLCHVA19DS0  7189 COX VIRGINIA TELCOM, INC. - VA 236   2006-11-03   
571-481 5 Washington Zone 8 VA WASLDCRGDS0  367E YMAX COMMUNICATIONS CORP. OF VIRGINIA - VA 236   2007-06-05   
571-481 6 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2007-05-10   
571-481 7 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2007-05-10   
571-481 8 Washington Zone 8 VA WASKDCFNAMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2007-05-10   
571-481 9 Washington Zone 8 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2007-04-30   
571-482 A Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-482 0 Washington Zone 8 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2007-01-12   
571-482 1 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2008-12-18   
571-482 2 Washington Zone 8 VA HRNDVACKBMD  5978 BROADVIEW NETWORKS OF VIRGINIA, INC. - VA 236   2007-12-01   
571-482 3 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2008-10-25   
571-482 4 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-05-15   
571-482 5 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-01-27   
571-482 6 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2010-01-27   
571-482 7 Washington Zone 8 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2007-01-20   
571-482 8 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-02-13   
571-482 9 Washington Zone 8 VA WASHDCDP8MD  079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-02-13   
571-483 A Washington Zone 8 VA ARTNVACYDS0  9213 VERIZON VIRGINIA, INC. 236      
571-483 0 Washington Zone 8 VA ARTNVAARXDY  318J COMCAST IP PHONE, LLC 236   2008-03-14   
571-483 1 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2008-04-07   
571-483 2 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2008-04-07   
571-483 3 Washington Zone 8 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2010-04-05   
571-483 4 Washington Zone 8 VA TYCRVA03AMD  8357 US LEC OF VIRGININA, LLC 236   2007-06-02   

<< 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 >>

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.