Local Calling Guide

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NPA: 571 [Rate centres in NPA 571] [Dial plan for NPA 571]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-522 8 Braddock VA   367E YMAX COMMUNICATIONS CORP. - VA 236   2007-06-05   
571-522 9 Braddock VA   367E YMAX COMMUNICATIONS CORP. - VA 236   2007-06-05   
571-523 A Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-523 0 Herndon VA   551G BRIGHTLINK COMMUNICATIONS, LLC 236   2018-07-31   
571-523 1 Herndon VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2018-07-27   
571-523 2 Herndon VA   7238 MCI WORLDCOM COMMUNICATIONS, INC. - VA 236   2018-08-14   
571-523 3 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 4 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2018-09-09   
571-523 5 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 6 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-09-20   
571-523 7 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-523 8 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-523 9 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2018-07-26   
571-524 A Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-524 0 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2015-08-19   
571-524 1 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 2 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 3 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 4 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 5 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 6 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 7 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 8 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-524 9 Herndon VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2014-12-28   
571-525 A Herndon VA   726H AIRUS, INC. - VA 236      
571-525 0 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-09-15   
571-525 1 Herndon VA   726H AIRUS, INC. - VA 236   2015-11-13   
571-525 2 Herndon VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2016-09-01   
571-525 3 Herndon VA   5978 BROADVIEW NETWORKS, INC. - VA 236   2016-10-14   
571-525 4 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-12-09   
571-525 5 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2016-11-04   
571-525 6 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-12-09   
571-525 7 Herndon VA   7575 CENTURYLINK COMMUNICATIONS LLC 236   2016-10-14   
571-525 8 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2016-09-15   
571-525 9 Herndon VA   551G BRIGHTLINK COMMUNICATIONS, LLC 236   2016-10-07   
571-526 A Herndon VA   102H LOCAL ACCESS LLC - VA 236      
571-526 0 Herndon VA   138E ONVOY, LLC VA 236   2014-08-03   
571-526 1 Herndon VA   138E ONVOY, LLC VA 236   2014-07-31   
571-526 2 Herndon VA   7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2013-10-10   
571-526 3 Herndon VA   7238 MCI WORLDCOM COMMUNICATIONS, INC. - VA 236   2013-10-08   
571-526 4 Herndon VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2013-10-13   
571-526 5 Herndon VA   102H LOCAL ACCESS LLC - VA 236   2013-07-11   
571-526 6 Herndon VA   4534 PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA 236   2013-06-18   
571-526 7 Herndon VA   4534 PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA 236   2013-06-18   
571-526 8 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2013-08-14   
571-526 9 Herndon VA   7575 CENTURYLINK COMMUNICATIONS LLC 236   2013-10-01   
571-527 A Washington Zone 8 VA ALXNVAGBPS0  7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236      
571-527 0 Washington Zone 8 VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2005-03-03   
571-527 1 Washington Zone 8 VA   4534 PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA 236   2006-02-09   
571-527 2 Washington Zone 8 VA   4534 PAETEC COMMUNICATIONS OF VIRGINIA, LLC - VA 236   2006-02-09   

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Last updated: Sat, 14 Sep 2019 01:44:23 UTC

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