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: TYLRMNXTDS0

Remotes:

Switch Switch name Switch type
ARCOMNXARS0  ARCO  1RC 
BGLWMNXBRL0  BIGELOW  RDE 
BOYDMNXBRS0  BOYD  1RC 
CLFDMNXCRS0  CLARKFIELD  1RE 
CTWDMNXCRS0  COTTONWOOD  1RE 
GHNTMNXGRS0  GHENT  1RC 
HNFLMNXHRS0  HANLEY FALLS  1RC 
HZRNMNXARS0  HAZEL RUN  1RC 
LYNDMNXLRS0  LYND  1RC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
507-247 A Tyler MN 1123 CITIZENS TELECOM CO MN-FRONTIER CITIZENS COM-MN 620      

Last updated: Sun, 04 Apr 2021 19:28:27 UTC

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