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: WHCLMIADRSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-689 A White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 0 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 1 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 2 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 3 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 5 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 6 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      
231-689 7 White Cloud MI 9323 MICHIGAN BELL TEL CO 348      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.