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.

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
414-807 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-808 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-839 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-841 A Milwaukee Zone 1 WI 5562 METROPCS, INC. 356      
414-865 A Milwaukee Zone 4 WI 6529 T-MOBILE USA, INC. 356      
414-899 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-914 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-915 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-928 A Milwaukee Zone 4 WI 6529 T-MOBILE USA, INC. 356      
414-949 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
414-975 A Milwaukee Zone 1 WI 6529 T-MOBILE USA, INC. 356      
920-220 A Johnson Creek WI 5562 METROPCS, INC. 356      
920-222 A Lake Mills WI 6529 T-MOBILE USA, INC. 356      
920-242 A Manitowoc WI 5562 METROPCS, INC. 356      
920-248 A Watertown WI 5562 METROPCS, INC. 356      
920-251 A Fond du Lac WI 5562 METROPCS, INC. 356      
920-254 A Sheboygan WI 5562 METROPCS, INC. 356      
920-297 A Lake Mills WI 6529 T-MOBILE USA, INC. 356      
920-316 A Oostburg WI 6529 T-MOBILE USA, INC. 356      
920-318 A Beaver Dam WI 6529 T-MOBILE USA, INC. 356      
920-331 A Sheboygan WI 5562 METROPCS, INC. 356      
920-374 A Manitowoc WI 6529 T-MOBILE USA, INC. 356      
920-375 A Fond du Lac WI 6529 T-MOBILE USA, INC. 356   2024-02-09   
920-377 A Sheboygan WI 5562 METROPCS, INC. 356      
920-571 A Manitowoc WI 6529 T-MOBILE USA, INC. 356      
920-605 A Jefferson WI 6529 T-MOBILE USA, INC. 356      
920-681 A Manitowoc WI 6529 T-MOBILE USA, INC. 356      
920-747 A Jefferson WI 6529 T-MOBILE USA, INC. 356      
920-786 A Horicon WI 6529 T-MOBILE USA, INC. 356      
920-791 A Beaver Dam WI 6529 T-MOBILE USA, INC. 356      
920-941 A Watertown WI 6529 T-MOBILE USA, INC. 356      
920-957 A Fond du Lac WI 6529 T-MOBILE USA, INC. 356   2024-04-13   
920-970 A Fond du Lac WI 5562 METROPCS, INC. 356      

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Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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