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: CHFLWI11EMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
534-220 A Chippewa Falls WI 516C AT&T CORP. 352      
534-220 7 Chippewa Falls WI 516C AT&T CORP. 352      
715-309 6 Menomonie WI 516C AT&T CORP. 352      
715-464 A Eau Claire WI 516C AT&T CORP. 352      
715-464 1 Eau Claire WI 516C AT&T CORP. 352      
715-531 4 Hudson WI 516C AT&T CORP. 352      
715-629 2 River Falls WI 516C AT&T CORP. 352      
715-749 5 Roberts WI 516C AT&T CORP. 352      
715-941 5 Ellsworth WI 516C AT&T CORP. 352      
715-954 2 Houlton WI 516C AT&T CORP. 352      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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