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.
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NPA: 920 [Rate centres in NPA 920] [Dial plan for NPA 920]

NXX: 623

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-623 A Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 0 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 1 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 2 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 3 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 4 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 5 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 6 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 7 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      
920-623 8 Columbus WI MILWWIAUDS1  225C ONVOY, LLC - WI 356   2016-03-31   
920-623 9 Columbus WI CLMBWI11RS0  9327 WISCONSIN BELL INC 356      

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

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