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 >>

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
571-261 1 Haymarket VA   0233 VERIZON SOUTH INC.-VA (CONTEL) 236   2002-07-07   
571-261 2 Haymarket VA   0233 VERIZON SOUTH INC.-VA (CONTEL) 236   2002-11-18   
571-261 3 Haymarket VA   0233 VERIZON SOUTH INC.-VA (CONTEL) 236   2003-01-08   
571-261 4 Haymarket VA   0233 VERIZON SOUTH INC.-VA (CONTEL) 236   2003-06-25   
571-261 5 Haymarket VA   0233 VERIZON SOUTH INC.-VA (CONTEL) 236   2003-06-25   
571-261 6 Haymarket VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-10-29   
571-261 7 Haymarket VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2009-09-20   
571-261 8 Haymarket VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2010-11-20   
571-261 9 Haymarket VA   7773 COMCAST PHONE OF VIRGINIA, INC. - VA 236   2007-07-12   
571-262 A Herndon VA WASHDCINDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 0 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 1 Herndon VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2004-11-01   
571-262 2 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 3 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 4 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 5 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 6 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 7 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 8 Herndon VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 236      
571-262 9 Herndon VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2004-09-29   
571-263 A Washington Zone 17 VA BTVLMDCKCM2  6664 SPRINT SPECTRUM L.P. 236      
571-264 A Dale City VA BTVLMDCKCM2  6664 SPRINT SPECTRUM L.P. 236      
571-265 A Washington Zone 17 VA BTVLMD18GT0  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236      
571-265 0 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-07-06   
571-265 1 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-07-06   
571-265 2 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2003-07-06   
571-265 3 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-02-01   
571-265 4 Washington Zone 17 VA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 236   2006-06-08   
571-265 5 Washington Zone 17 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2003-12-02   
571-265 6 Washington Zone 17 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-08-01   
571-265 7 Washington Zone 17 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-08-29   
571-265 8 Washington Zone 17 VA   6664 SPRINT SPECTRUM L.P. 236   2005-08-14   
571-265 9 Washington Zone 17 VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2004-02-22   
571-266 A Herndon VA RSTNVABHDS3  7238 MCI WORLDCOM COMMUNICATIONS, INC. - VA 236      
571-266 0 Herndon VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-06-12   
571-266 1 Herndon VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-06-12   
571-266 2 Herndon VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2011-07-21   
571-266 3 Herndon VA   4772 XO VIRGINIA, LLC 236   2009-11-30   
571-266 4 Herndon VA   4772 XO VIRGINIA, LLC 236   2009-11-30   
571-266 5 Herndon VA   4772 XO VIRGINIA, LLC 236   2008-10-11   
571-266 6 Herndon VA   4772 XO VIRGINIA, LLC 236   2008-10-11   
571-266 7 Herndon VA   367E YMAX COMMUNICATIONS CORP. - VA 236   2008-10-10   
571-266 8 Herndon VA   367E YMAX COMMUNICATIONS CORP. - VA 236   2008-10-10   
571-266 9 Herndon VA   6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 236   2008-09-05   
571-267 A Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236      
571-267 0 Herndon VA   6855 OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC 236   2012-12-10   
571-267 1 Herndon VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2011-10-11   
571-267 2 Herndon VA   079F BANDWIDTH.COM CLEC, LLC - VA 236   2012-09-03   
571-267 3 Herndon VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 236   2012-09-03   
571-267 4 Herndon VA   7769 LEVEL 3 TELECOM OF VIRGINIA, LLC - VA 236   2012-09-03   

<< 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 >>

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.