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: MILWWI23DS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
262-240 A Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 0 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 1 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 2 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 3 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 5 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 8 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-240 9 Thiensville WI 9327 AMERITECH WISCONSIN 356      
262-241 A Thiensville WI 9327 AMERITECH WISCONSIN 356      
414-228 A Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-247 A Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-351 A Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-352 A Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 A Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 0 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 1 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 2 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 3 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 4 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 5 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 6 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      
414-540 9 Milwaukee Zone 4 WI 9327 AMERITECH WISCONSIN 356      

Last updated: Tue, 04 May 2021 15:04:27 UTC

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