Local Calling Guide

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Switch: SPFDMABR

Switch (link to prefixes) Switch name Company
SPFDMABRDS0 SPRINGFIELD   
SPFDMABRX9X   7421 AT&T - LOCAL 
SPFDMABRXBX   7421 AT&T - LOCAL 

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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