Local Calling Guide

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Switch: BLTMMDMD

Switch (link to prefixes) Switch name Company
BLTMMDMD6WD BALTIMORE MADISON   
BLTMMDMDDS0 BALTIMORE MADISON  9212 VERIZON MARYLAND, INC. 
BLTMMDMDRS0 BALTIMORE   

Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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