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: MILWWI12DS2

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
414-256 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-257 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-258 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-259 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-266 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-280 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-302 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-337 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-443 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-453 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 0 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 1 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 2 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 3 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 4 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 5 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 6 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 7 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-454 8 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-456 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-459 2 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356   2006-05-10   
414-459 5 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356   2006-02-23   
414-471 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-475 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-476 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-479 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 0 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 1 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 3 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 4 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 5 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 6 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 7 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 8 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-607 9 Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-771 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-773 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-774 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-777 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-778 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-805 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-844 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-936 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-955 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      
414-985 A Milwaukee Zone 1 WI 9327 WISCONSIN BELL INC 356      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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