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.

Switch: SHLWAZXCDS1

Remotes:

Switch Switch name Switch type
ALPIAZXCRS1  ALPINE  RSS 
CIBCAZXCRL0  CIBECUE  RDE 
GRERAZXCRL0  GREER  RDE 
HEBRAZXCRS0  HEBER  RSS 
HLBKAZXCRS0  HOLBROOK  RSS 
HLLKAZXCRL0  HAWLEY LAKE  RDE 
LKSDAZAERS0  LAKESIDE  RSS 
MCNRAZXCRL0  MCNARY  RDE 
PNDLAZXCRS1  PINEDALE  RLC 
PNTPAZXARS0  PINETOP  RSS 
PNTPAZXCRS0  PINETOP  RSS 
SNWFAZXCRS0  SNOWFLAKE  RSS 
SPVLAZXCRS0  SPRINGERVILLE  RSS 
STJHAZXBRS0  ST JOHNS  RSS 
WHRVAZXBRS0  WHITERIVER  RSS 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
928-532 A Show Low AZ 4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      
928-537 A Show Low AZ 4426 CITIZENS TELECOM CO OF WHITE MOUNTAINS INC. 666      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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