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: CATNMICTRS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
734-654 A Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 0 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 1 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 2 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 3 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 4 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 6 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 7 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 8 Carleton MI 9323 MICHIGAN BELL TEL CO 340      
734-654 9 Carleton MI 9323 MICHIGAN BELL TEL CO 340      

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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