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
571-471 4 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-09   
571-471 5 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-471 6 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-471 7 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-06-23   
571-471 8 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-18   
571-471 9 Herndon VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2009-12-18   
571-472 A Washington Zone 17 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-472 0 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 1 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 2 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 3 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 4 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 5 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 6 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 7 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 8 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-472 9 Washington Zone 17 VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2015-11-01   
571-473 A Washington Zone 8 VA ARTNVAARXGY  478J NUSO, LLC 236      
571-473 0 Washington Zone 8 VA WASHDC127MD  073H TELNYX LLC 236   2021-05-29   
571-473 1 Washington Zone 8 VA ARTNVAARXGY  478J NUSO, LLC 236   2020-11-02   
571-473 2 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-30   
571-473 3 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-30   
571-473 4 Washington Zone 8 VA WASKDCFNPS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236   2021-02-24   
571-473 5 Washington Zone 8 VA MCLNVA23DS4  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2021-02-19   
571-473 6 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-29   
571-473 7 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-05-30   
571-473 8 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-10-05   
571-473 9 Washington Zone 8 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2021-07-29   
571-474 A Washington Zone 19 VA BTVLMD12CMA  6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-474 0 Washington Zone 19 VA VINNVACB1MD  514G ATLANTECH ONLINE OF VIRGINIA, L.L.C. 236   2015-12-25   
571-474 1 Washington Zone 19 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-01-04   
571-474 2 Washington Zone 19 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-01-04   
571-474 3 Washington Zone 19 VA VINNVACBDS0  138E ONVOY, LLC - VA 236   2016-01-04   
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   

<< 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: VoIP.ms

Like this site? We accept donations via PayPal.