Local Calling Guide

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Switch: ALTONMXC

Switch (link to prefixes) Switch name Company
ALTONMXCRP0 ALTO   
ALTONMXCRS0 ALTO  1193 VALOR TELECOM TX,LP-NM #2 DBA WINDSTREAM COMM SW 

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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