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: MTONILXCDS0

Remotes:

Switch Switch name Switch type
ARCLILXCRS0  ARCOLA  RSC 
ARTHILXCRS0  ARTHUR  RSC 
ATWDILXCRS0  ATWOOD  RSC 
EFHMILXCRS0  EFFINGHAM  RSC 
GAYSILXCRS0  GAYS  RSC 
HMBLILXCRS0  HUMBOLDT  RSC 
SHVLILXCRS0  SHELBYVILLE  RSC 
SIGLILXCRS0  SIGEL  RSC 
STBGILXCRS0  STRASBURG  RSC 
STSNILXCRS0  STEWARDSON  RSC 
WNDSILXCRS0  WINDSOR  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-234 A Mattoon IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-235 A Mattoon IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-238 A Mattoon IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      
217-258 A Mattoon IL 1037 ILLINOIS CONSOLIDATED TEL. CO. 976      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.