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: BLTNILXNDS0

Remotes:

Switch Switch name Switch type
ARRWILXDRS2  ARROWSMITH  1RC 
BLFLILXDRS2  ARROWSMITH  1RC 
CHENILXARS0  CHENOA  RSC 
CLFXILXDRS0  ARROWSMITH  RSC 
ELWOILXDRS0  ARROWSMITH  RLC 
LXTNILXDRS0  ARROWSMITH  RSC 
MCLNILXDRS2  MCLEAN  RSC 
MINRILXDRS0  MINIER  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-268 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-433 9 Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-434 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-434 2 Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-434 6 Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-436 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-438 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-451 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-452 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-454 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-622 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-862 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      
309-888 A Bloomington IL 1015 FRONTIER NORTH, INC. - IL 366      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.