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
928-404 4 Bullhead City North AZ   666   2005-06-02   
928-404 6 Bullhead City North AZ   666   2014-03-03   
928-440 A Flagstaff AZ PHNXAZMAXBY  666      
928-440 3 Flagstaff AZ   666   2014-01-03   
928-440 4 Flagstaff AZ   666   2014-01-03   
928-440 5 Flagstaff AZ   666   2014-01-03   
928-444 A Bullhead City AZ KGMNAZXCEMD  666      
928-444 4 Bullhead City AZ   666   2005-05-15   
928-466 9 Castle Rock AZ   666   2005-05-16   
928-478 2 Payson AZ   666   2013-08-06   
928-478 6 Payson AZ   666   2005-05-22   
928-529 A Kingman AZ KGMNAZXCEMD  666      
928-529 2 Kingman AZ   666   2014-04-07   
928-529 3 Kingman AZ   666   2014-04-07   
928-529 4 Kingman AZ   666   2014-04-07   
928-529 5 Kingman AZ   666   2014-04-07   
928-554 1 Sedona AZ   666   2013-05-09   
928-554 4 Sedona AZ   666   2005-05-22   
928-565 1 Kingman AZ   666   2006-12-05   
928-566 A Lake Havasu City AZ KGMNAZXCEMD  666      
928-566 1 Lake Havasu City AZ   666   2007-03-06   
928-566 4 Lake Havasu City AZ   666   2005-06-02   
928-575 A Parker AZ VTVLCAXAXPX  730      
928-575 1 Parker AZ   730   2014-03-23   
928-575 4 Parker AZ   730   2005-05-15   
928-577 2 Mohave Valley AZ   666   2014-03-03   
928-662 6 Parker Dam AZ   730   2014-07-04   
928-667 5 Parker Dam AZ   730   2005-05-16   
928-733 A Lake Havasu City AZ KGMNAZXCEMD  666      
928-733 1 Lake Havasu City AZ   666   2014-01-03   
928-733 2 Lake Havasu City AZ   666   2014-01-03   
928-733 3 Lake Havasu City AZ   666   2014-01-03   
928-733 4 Lake Havasu City AZ   666   2014-01-03   
928-733 5 Lake Havasu City AZ   666   2014-01-03   
928-733 6 Lake Havasu City AZ   666   2014-01-03   
928-764 5 Castle Rock AZ   666   2014-03-03   
928-770 A Mohave Valley AZ KGMNAZXCEMD  666      
928-770 0 Mohave Valley AZ   666   2018-01-29   
928-770 4 Mohave Valley AZ   666   2005-06-02   
928-862 2 Sedona AZ   666   2014-03-03   
928-862 3 Sedona AZ   666   2014-03-03   
928-862 4 Sedona AZ   666   2014-03-03   
928-923 5 Ehrenberg AZ   730   2014-03-23   
929-210 0 New York City Zone 06 NY WHPLNYGR1MD  132   2012-11-26   
929-210 8 New York City Zone 06 NY WHPLNYGR1MD  132   2012-11-26   
929-210 9 New York City Zone 06 NY WHPLNYGR1MD  132   2012-11-26   
929-222 3 New York City Zone 05 NY WHPLNYGR1MD  132   2012-10-14   
929-222 4 New York City Zone 05 NY WHPLNYGR1MD  132   2012-10-14   
929-222 5 New York City Zone 05 NY WHPLNYGR1MD  132   2013-03-07   
929-234 A New York City Zone 06 NY WHPLNYGR1MD  132      
929-234 2 New York City Zone 06 NY WHPLNYGR1MD  132   2012-08-18   
929-234 3 New York City Zone 06 NY WHPLNYGR1MD  132   2012-04-06   
929-234 5 New York City Zone 06 NY WHPLNYGR1MD  132   2012-08-18   
929-234 6 New York City Zone 06 NY WHPLNYGR1MD  132   2012-09-18   
929-243 A New York City Zone 05 NY WHPLNYGR1MD  132      
929-243 3 New York City Zone 05 NY WHPLNYGR1MD  132   2012-05-05   
929-246 5 New York City Zone 03 NY WHPLNYGR1MD  132   2015-04-21   
929-259 9 New York City Zone 03 NY WHPLNYGR1MD  132   2014-08-11   
929-263 1 New York City Zone 03 NY WHPLNYGR1MD  132   2014-04-04   
929-265 9 New York City Zone 03 NY WHPLNYGR1MD  132   2014-05-02   
929-333 9 New York City Zone 07 NY WHPLNYGR1MD  132   2012-10-29   
929-777 9 New York City Zone 04 NY WHPLNYGR1MD  132   2012-10-29   
934-222 0 Southampton NY WHPLNYGR1MD  132   2016-07-18   
934-444 0 Amityville NY WHPLNYGR1MD  132   2016-11-25   
934-451 3 Bellport NY WHPLNYGR1MD  132   2018-10-27   
934-852 1 Yaphank NY WHPLNYGR1MD  132   2016-07-23   
934-888 6 Bay Shore NY WHPLNYGR1MD  132   2017-09-05   
936-202 8 Conroe TX   560   2013-04-17   
936-205 4 Nacogdoches TX   560   2007-03-16   
936-205 5 Nacogdoches TX   560   2008-08-29   
936-205 9 Nacogdoches TX   560   2012-03-25   
936-217 1 Conroe TX   560   2014-03-14   
936-227 7 Cushing TX   560   2022-07-18   
936-228 2 Willis EMS TX   560   2007-06-24   
936-228 7 Willis EMS TX   560   2010-03-27   
936-233 A Hudson (Angelina) TX LFKNTXXABMD  560      
936-233 0 Hudson (Angelina) TX   560      
936-237 5 Huntington TX   560   2018-08-31   
936-238 2 Lufkin TX   560   2008-01-10   
936-238 3 Lufkin TX   560   2008-03-01   
936-238 4 Lufkin TX   560   2013-08-07   
936-242 6 Conroe TX   560   2010-09-18   
936-260 8 Trinity TX   560   2024-04-14   
936-279 8 Garrison TX   560   2020-01-19   
936-284 A New Waverly TX NCGDTXNCKMD  560      
936-284 2 New Waverly TX   560   2019-03-25   
936-286 8 Conroe TX   560   2019-06-21   
936-287 7 Central TX   560   2022-11-17   
936-305 A Nacogdoches TX NCGDTXNCKMD  560      
936-305 3 Nacogdoches TX   560   2014-05-25   
936-305 4 Nacogdoches TX   560   2014-05-25   
936-305 5 Nacogdoches TX   560   2014-05-25   
936-315 A Fuller Springs TX LFKNTXXABMD  560      
936-315 5 Fuller Springs TX   560   2015-12-27   
936-382 7 Dayton TX   560   2024-04-08   
936-439 4 Huntsville TX   560   2011-02-09   
936-439 5 Huntsville TX   560   2007-03-16   
936-448 7 Walden EMS TX   560   2009-02-11   
936-448 9 Walden EMS TX   560   2014-01-28   
936-449 1 Montgomery EMS TX   560   2014-02-28   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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