Local Calling Guide

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Switch: PTBGMIAK

Switch (link to prefixes) Switch name Company
PTBGMIAKDS0 PETERSBURG  558A DEERFIELD FARMERS' TELEPHONE COMPANY - MI 
PTBGMIAKDS0 PETERSBURG  0691 DEERFIELD FARMERS TEL. CO. 

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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