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: 906 [Rate centres in NPA 906] [Dial plan for NPA 906]

NXX: 224

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
906-224 A Wakefield MI WKFDMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-224 1 Wakefield MI WKFDMIMNRSA  9323 MICHIGAN BELL TEL CO 342      
906-224 2 Wakefield MI HNCCMIMN3MD  543C ONVOY, LLCV - MI 342   2019-01-25   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.