Local Calling Guide

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

Switch: CHTWMABF

Switch (link to prefixes) Switch name Company
CHTWMABF0MD   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 
CHTWMABF2MD   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 
CHTWMABFDS2 CHARLESTOWN   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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