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: RCFRMIMNRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
616-863 A Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 0 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 1 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 3 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 4 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 5 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 6 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 8 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-863 9 Rockford MI 9323 MICHIGAN BELL TEL CO 348      
616-866 A Rockford 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.