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: WLMRMNWIDS0

Remotes:

Switch Switch name Switch type
APPLMNAPRS2  APPLETON  RSC 
LTFDMNLIRS6  LITCHFIELD  RSC 
MRRSMNMORS5  MORRIS  RSC 
MTVDMNMORS2  MONTEVIDEO  RSC 
OLIVMNOLRS5  OLIVIA BIRD ISLAND  RSC 
ORVLMNORRS8  ORTONVILLE BIG STONE C  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
320-214 A Willmar MN 9631 QWEST CORPORATION 626      
320-231 A Willmar MN 9631 QWEST CORPORATION 626      
320-235 A Willmar MN 9631 QWEST CORPORATION 626      

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.