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: CHBYMIMNRSA

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
231-597 A Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-597 0 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-597 1 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-597 2 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-597 8 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-597 9 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 A Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 1 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 2 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 3 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 4 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 5 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 6 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 7 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 8 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      
231-627 9 Cheboygan MI 9323 MICHIGAN BELL TEL CO 348      

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

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