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: Thu, 20 Nov 2025 13:34:34 UTC

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