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: 231 [Rate centres in NPA 231] [Dial plan for NPA 231]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
231-452 A Newaygo MI GDRPMIIV1MD  2518 LUCRE, INC. 348      
231-452 0 Newaygo MI   2518 LUCRE, INC. 348      
231-452 1 Newaygo MI   2518 LUCRE, INC. 348      
231-452 2 Newaygo MI   2518 LUCRE, INC. 348      
231-452 3 Newaygo MI   8935 COMCAST PHONE OF MICHIGAN, LLC - MI 348   2008-01-23   
231-452 4 Newaygo MI   2518 LUCRE, INC. 348      
231-452 5 Newaygo MI   2518 LUCRE, INC. 348      
231-452 6 Newaygo MI   351D CHARTER FIBERLINK - MICHIGAN, LLC - MI 348   2007-02-25   
231-452 7 Newaygo MI   2518 LUCRE, INC. 348      
231-452 8 Newaygo MI   2518 LUCRE, INC. 348      
231-452 9 Newaygo MI   2518 LUCRE, INC. 348      

Last updated: Sat, 14 Sep 2019 01:44:23 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.