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.
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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: Tue, 16 Apr 2024 01:38:01 UTC

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