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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OCN: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
917-801 3 New York City Zone 03 NY WHPLNYGR1MD  132   2013-06-19   
917-801 4 New York City Zone 03 NY WHPLNYGR1MD  132   2013-07-19   
917-819 A New York City Zone 03 NY WHPLNYGR1MD  132      
917-819 3 New York City Zone 03 NY WHPLNYGR1MD  132   2012-05-19   
917-819 4 New York City Zone 03 NY WHPLNYGR1MD  132   2012-05-30   
917-891 6 New York City Zone 03 NY WHPLNYGR1MD  132   2013-02-18   
917-891 8 New York City Zone 03 NY WHPLNYGR1MD  132   2013-03-07   
917-893 A New York City Zone 06 NY WHPLNYGR1MD  132      
917-893 8 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-893 9 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-933 4 New York City Zone 07 NY WHPLNYGR1MD  132   2013-04-14   
917-933 9 New York City Zone 07 NY WHPLNYGR1MD  132   2013-04-09   
917-947 8 New York City Zone 06 NY WHPLNYGR1MD  132   2013-02-26   
917-962 A New York City Zone 03 NY WHPLNYGR1MD  132      
917-962 4 New York City Zone 03 NY WHPLNYGR1MD  132   2012-07-07   
917-962 9 New York City Zone 03 NY WHPLNYGR1MD  132   2012-09-02   
917-966 1 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-966 2 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-966 4 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-966 5 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-14   
917-966 8 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-05   
917-966 9 New York City Zone 06 NY WHPLNYGR1MD  132   2013-04-05   
918-201 A Wagoner OK TULSOKTBXYY  538      
918-201 4 Wagoner OK   538   2008-06-21   
918-201 5 Wagoner OK   538   2014-03-02   
918-201 7 Wagoner OK   538   2014-03-02   
918-223 9 Cushing OK   538   2014-03-02   
918-268 2 Henryetta OK   538   2014-03-02   
918-306 4 Cushing OK   538   2007-01-10   
918-577 A Muskogee OK TULSOKTBXYY  538      
918-577 6 Muskogee OK   538   2007-03-16   
918-650 7 Henryetta OK   538   2012-05-24   
918-752 1 Okmulgee OK   538   2007-03-16   
918-777 2 Okmulgee OK   538   2014-03-02   
918-801 7 Grove OK   538   2014-03-02   
918-844 1 Drumright OK   538   2014-03-02   
918-910 A Muskogee OK TULSOKTBXYY  538      
918-910 3 Muskogee OK   538   2013-12-29   
918-910 4 Muskogee OK   538   2013-12-29   
918-910 5 Muskogee OK   538   2013-12-29   
918-913 7 Muskogee OK   538   2013-11-11   
918-913 9 Muskogee OK   538   2010-03-11   
918-964 8 Grove OK   538   2012-05-24   
918-974 8 Poteau OK   538   2024-04-13   
919-330 5 Goldsboro NC   426   2008-02-15   
919-759 8 Goldsboro NC   426   2012-03-05   
919-988 1 Goldsboro NC   426   2014-05-28   
928-219 A Bullhead City AZ KGMNAZXCEMD  666      
928-219 4 Bullhead City AZ   666   2007-02-25   
928-219 5 Bullhead City AZ   666   2007-12-07   
928-263 1 Kingman AZ   666   2007-10-29   
928-264 A Ehrenberg AZ VTVLCAXAXPX  730      
928-264 0 Ehrenberg AZ   730      
928-266 A Flagstaff AZ PHNXAZMAXBY  666      
928-266 0 Flagstaff AZ   666      
928-266 1 Flagstaff AZ   666   2007-08-13   
928-299 A Bullhead City AZ KGMNAZXCEMD  666      
928-299 2 Bullhead City AZ   666   2014-04-07   
928-299 3 Bullhead City AZ   666   2014-04-07   
928-299 4 Bullhead City AZ   666   2014-04-07   
928-299 5 Bullhead City AZ   666   2014-04-07   
928-302 A Lake Havasu City AZ KGMNAZXCEMD  666      
928-302 1 Lake Havasu City AZ   666   2008-01-08   
928-302 3 Lake Havasu City AZ   666   2013-04-13   
928-363 1 Payson AZ   666   2014-03-03   
928-363 4 Payson AZ   666   2014-03-03   
928-377 3 Kingman AZ   666   2005-05-15   
928-404 A Bullhead City North AZ KGMNAZXCEMD  666      
928-404 2 Bullhead City North AZ   666   2014-03-03   
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   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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