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: OLWNIATCDS0

Remotes:

Switch Switch name Switch type
CLMRIACORS5  CALMAR  AXR 
INDPIACORS3  INDEPENDENCE  AXR 
LNNGIACORS5  LANSING  AXR 
WAKNIACORS5  WAUKON  AXR 
WUNNIACORS4  WEST UNION  AXR 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
319-283 A Oelwein IA 9631 QWEST CORPORATION 635      
319-283 1 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 2 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 3 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 4 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 5 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 6 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 7 Oelwein IA 9631 QWEST CORPORATION 635      
319-283 9 Oelwein IA 9631 QWEST CORPORATION 635      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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