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: MILWWI10DSA

Remotes:

Switch Switch name Switch type
CLDNWI14RS0  CALEDONIA  5ER 
NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
414-281 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-282 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-304 A Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 0 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 1 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 2 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 3 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 6 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-304 7 Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-325 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-421 A Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-423 A Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-661 A Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-761 A Milwaukee Zone 5 WI 9327 WISCONSIN BELL INC 356      
414-817 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 0 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 1 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 3 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 5 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 6 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 7 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 8 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-817 9 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-855 A Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-855 0 Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-855 1 Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-855 2 Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      
414-855 9 Milwaukee Zone 3 WI 9327 WISCONSIN BELL INC 356      

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

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