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: OSHKWI01DSA

Remotes:

Switch Switch name Switch type
VNDNWI11RS1  VAN DYNE  RSC 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
920-223 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-231 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-232 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-233 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-235 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-236 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-237 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-303 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-424 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-426 A Oshkosh WI 9327 WISCONSIN BELL INC 350      
920-527 A Oshkosh WI 9327 WISCONSIN BELL INC 350      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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