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: PTFDILXCDS0

Remotes:

Switch Switch name Switch type
HULLILAARS0  HULL  GTR 
NCTNILXCRS0  NEW CANTON  GTR 
PRRYILXDRS0  PERRY  GTR 
RCPTILXCRS0  ROCKPORT  GTR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
217-285 A Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 1 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 2 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 4 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 5 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 6 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      
217-285 9 Pittsfield IL 1015 FRONTIER NORTH, INC. - IL 376      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.