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: SMRTWIXARS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
715-243 5 New Richmond WI 0951 SOMERSET TEL. CO., INC. 352   2014-07-31   
715-247 A Somerset WI 0951 SOMERSET TEL. CO., INC. 352      
715-531 9 Hudson WI 0951 SOMERSET TEL. CO., INC. 352   2014-08-01   
715-549 4 Houlton WI 0951 SOMERSET TEL. CO., INC. 352   2014-07-31   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

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