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: CRVTWIXA4MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
534-202 A Scandinavia WI 508J CENTURYLINK COMMUNICATIONS LLC 350      
715-217 A Pembine WI 508J CENTURYLINK COMMUNICATIONS LLC 350      
715-380 A Crivitz WI 508J CENTURYLINK COMMUNICATIONS LLC 350      
715-691 A Hatley WI 508J CENTURYLINK COMMUNICATIONS LLC 350      

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

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