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.
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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
575-332 9 Santa Teresa NM ALBQNMMAX9Z  664   2015-04-15   
575-338 1 La Mesa NM ALBQNMMAX9Z  664   2021-10-29   
582-214 A Sugar Grove PA DUBSPADUX4X  230      
582-214 1 Sugar Grove PA DUBSPADUX4X  230   2022-10-16   
582-230 1 Wattsburg PA ERIEPAXMXBY  924   2023-12-10   
585-201 7 Batavia NY   140   2007-06-15   
585-203 1 East Rochester NY   974   2008-07-11   
585-204 A Dansville NY   974   2025-03-04   
585-204 4 Dansville NY   974   2005-07-16   
585-204 5 Dansville NY   974   2005-07-16   
585-204 9 Dansville NY   974   2011-01-02   
585-205 9 Middleport NY   140   2010-08-08   
585-206 5 Holley NY   140   2010-08-08   
585-207 A Fillmore NY   140      
585-207 5 Fillmore NY   140   2010-08-08   
585-209 4 Cuba NY   140   2007-08-10   
585-209 8 Cuba NY   140   2011-01-01   
585-213 4 Wayland NY   974   2005-08-15   
585-219 4 Batavia NY   140   2004-09-04   
585-228 1 Warsaw NY   974   2010-08-08   
585-229 1 Honeoye NY   974   2010-08-08   
585-236 1 Webster NY   974   2010-08-08   
585-250 A Batavia NY   140      
585-250 4 Batavia NY   140   2010-08-01   
585-252 3 Pavilion NY   974   2010-08-08   
585-257 5 Holcomb NY   974   2005-11-21   
585-267 7 East Rochester NY   974   2004-01-16   
585-268 8 Belmont NY   140   2007-06-06   
585-270 A Rochester NY   974   2025-03-04   
585-270 4 Rochester NY   974   2010-08-01   
585-270 5 Rochester NY   974   2010-10-31   
585-270 8 Rochester NY   974   2011-01-05   
585-283 A Albion NY   140      
585-283 4 Albion NY   140   2004-07-03   
585-283 5 Albion NY   140   2010-08-08   
585-286 9 Rochester NY   974   2008-03-28   
585-287 5 Rochester NY   974   2008-09-30   
585-287 6 Rochester NY   974   2008-12-16   
585-289 1 Shortsville NY   974   2010-08-08   
585-289 7 Shortsville NY   974   2005-08-08   
585-293 7 Churchville NY   974   2005-08-01   
585-294 A Caledonia NY   974   2025-03-04   
585-294 3 Caledonia NY   974   2010-08-08   
585-294 5 Caledonia NY   974   2005-07-16   
585-296 3 Wellsville NY   140   2011-01-01   
585-299 A Churchville NY   974   2025-03-04   
585-299 7 Churchville NY   974   2010-08-08   
585-310 7 East Rochester NY   974   2013-08-23   
585-318 A Medina NY   140      
585-318 4 Medina NY   140   2004-10-25   
585-318 5 Medina NY   140   2010-08-08   
585-319 A Rochester NY   974   2025-03-04   
585-319 3 Rochester NY   974   2004-09-17   
585-319 4 Rochester NY   974   2004-09-17   
585-319 5 Rochester NY   974   2004-09-17   
585-340 6 Rochester NY   974   2007-03-28   
585-346 7 Livonia NY   974   2004-10-31   
585-347 4 West Webster NY   974   2004-01-16   
585-347 6 West Webster NY   974   2010-08-08   
585-348 9 East Rochester NY   974   2010-08-08   
585-355 A Rochester NY   974   2025-03-04   
585-355 4 Rochester NY   974   2004-01-11   
585-360 2 Rochester NY   974   2006-11-20   
585-360 4 Rochester NY   974   2006-11-20   
585-363 5 Rochester NY   974   2014-09-26   
585-364 0 Fairport NY   974   2014-05-26   
585-364 3 Fairport NY   974   2015-04-06   
585-365 1 Belfast NY   140   2010-08-08   
585-366 A Hilton NY   974   2025-03-04   
585-366 4 Hilton NY   974   2004-03-07   
585-366 7 Hilton NY   974   2010-08-08   
585-367 1 Hemlock NY   974   2007-06-20   
585-376 8 Olean NY   140   2009-01-26   
585-382 5 Leicester NY   974   2010-08-08   
585-384 6 Cohocton NY   974   2007-06-20   
585-391 3 Brockport NY   974   2004-01-16   
585-398 7 Victor NY   974   2004-01-16   
585-398 8 Victor NY   974   2010-08-08   
585-403 3 Olean NY   140   2011-01-02   
585-404 A Henrietta NY   974   2025-03-04   
585-404 0 Henrietta NY   974   2016-10-13   
585-412 6 Canandaigua NY   974   2008-02-05   
585-412 9 Canandaigua NY   974   2016-03-08   
585-413 0 Rochester NY   974   2005-01-30   
585-413 1 Rochester NY   974   2005-01-30   
585-413 3 Rochester NY   974   2005-01-30   
585-417 5 Rochester NY   974   2015-09-28   
585-417 6 Rochester NY   974   2015-09-28   
585-417 7 Rochester NY   974   2015-09-28   
585-418 A East Pembroke NY   140      
585-418 4 East Pembroke NY   140   2006-11-28   
585-430 1 Fairport NY   974   2016-06-10   
585-431 3 Brockport NY   974   2010-08-08   
585-433 8 Victor NY   974   2015-10-12   
585-434 A Rochester NY   974   2025-03-04   
585-434 0 Rochester NY   974   2014-12-01   
585-434 1 Rochester NY   974   2014-12-01   
585-434 2 Rochester NY   974   2014-12-01   
585-434 3 Rochester NY   974   2014-12-30   
585-434 4 Rochester NY   974   2014-12-30   

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Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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