Local Calling Guide

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Switch: CHTGTNMA

Switch (link to prefixes) Switch name Company
CHTGTNMATMD   7421 AT&T - LOCAL 
CHTGTNMAX9X   7421 AT&T - LOCAL 
CHTGTNMAXTX   6630 USA MOBILITY WIRELESS, INC. 
CHTGTNMAXVX   516C AT&T CORP. 
CHTGTNMAXYX    

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

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