Local Calling Guide

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Switch: TWSNMDTW

Switch (link to prefixes) Switch name Company
TWSNMDTWDS0 TOWSON  9212 VERIZON MARYLAND, INC. 
TWSNMDTWRP0   9212 VERIZON MARYLAND, INC. 

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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