Local Calling Guide

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Switch: SMFRCTPU

Switch (link to prefixes) Switch name Company
SMFRCTPU4MD   4800 LEVEL 3 COMMUNICATIONS, LLC - CT 
SMFRCTPU6MD   671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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