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: MCMBILXDDS0

Remotes:

Switch Switch name Switch type
ASTRILXDRS1  ASTORIA  RSC 
BSHNILXDRS0  BUSHNELL  RSC 
PRCYILXDRS1  PRAIRIE CITY  RLC 
VRMTILXDRS0  VERMONT  RLC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
309-298 A Macomb IL 1015 FRONTIER NORTH, INC. - IL 977      
309-833 A Macomb IL 1015 FRONTIER NORTH, INC. - IL 977      
309-836 A Macomb IL 1015 FRONTIER NORTH, INC. - IL 977      
309-837 A Macomb IL 1015 FRONTIER NORTH, INC. - IL 977      

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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