Local Calling Guide

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  • Enter full or partial CLLI code to see all matching switches.

Switch: SPFDOH39

Switch (link to prefixes) Switch name Company
SPFDOH3939C SPRINGFIELD 39  9321 OHIO BELL TEL CO 
SPFDOH3939E SPRINGFIELD   

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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