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: 206

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
920-206 A Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 0 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 1 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 2 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 3 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 4 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 5 Watertown WI MILXWIILCMD  6508 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WI 356   2013-09-07   
920-206 6 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 7 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 8 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      
920-206 9 Watertown WI WTTWWI01DSA  9327 WISCONSIN BELL INC 356      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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