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.

OCN: 612K CSC VOICE, LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
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   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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