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: CDBGWI15DSA

Remotes:

Switch Switch name Switch type
MILWWI22RS0  MILWAUKEE CAPITOL  5ER 
PTWAWI11RS0  PORT WASHINGTON  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-243 A Thiensville WI 9327 WISCONSIN BELL INC 356      
262-329 A Cedarburg WI 9327 WISCONSIN BELL INC 356      
262-375 A Cedarburg WI 9327 WISCONSIN BELL INC 356      
262-376 A Cedarburg WI 9327 WISCONSIN BELL INC 356      
262-377 A Cedarburg WI 9327 WISCONSIN BELL INC 356      
262-387 A Cedarburg WI 9327 WISCONSIN BELL INC 356      

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

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