Local Calling Guide

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Switch: GRVSORXX

Switch (link to prefixes) Switch name Company
GRVSORXXDS0 GERVAIS  2373 GERVAIS TEL. CO. 
GRVSORXXDS1 GERVAIS  5511 DATAVISION COMMUNICATIONS LLC 

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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