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.

NPA: 947 [Rate centres in NPA 947] [Dial plan for NPA 947]

NXX: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
947-345 A Oxford MI SFLDMIMK8MD  965H FRACTEL LLC 340   2021-04-22   
947-345 0 Oxford MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-05-28   
947-345 1 Oxford MI   991E BANDWIDTH.COM CLEC, LLC - MI 340   2021-05-28   
947-345 2 Oxford MI   543C ONVOY, LLCV - MI 340   2021-05-10   
947-345 3 Oxford MI   624H ONVOY SPECTRUM, LLC 340   2021-06-15   
947-345 4 Oxford MI   543C ONVOY, LLCV - MI 340   2021-06-17   
947-345 5 Oxford MI   543C ONVOY, LLCV - MI 340   2021-06-17   
947-345 6 Oxford MI   965H FRACTEL LLC 340   2021-04-22   
947-345 7 Oxford MI   543C ONVOY, LLCV - MI 340   2021-06-17   
947-345 8 Oxford MI   543C ONVOY, LLCV - MI 340   2021-06-17   
947-345 9 Oxford MI   506J TWILIO INTERNATIONAL INC 340   2021-07-15   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.