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: NILSMIMNDS0

Remotes:

Switch Switch name Switch type
BNHRMIESRSA  BENTON HARBOR ES  5ER 
BRSPMIBSRSA  BERRIEN SPRINGS  5ER 
EUCLMIECRSA  EAU CLAIRE  5ER 
GLENMIMNRSA  GALIEN  5ER 
RVSDMIRVRSA  RIVERSIDE  5ER 
THOKMIMNRSA  THREE OAKS  5ER 
WTRVMIWVRSA  WATERVLIET  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
269-683 A Niles MI 9323 MICHIGAN BELL TEL CO 348      
269-684 A Niles MI 9323 MICHIGAN BELL TEL CO 348      
269-687 A Niles MI 9323 MICHIGAN BELL TEL CO 348      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.