Local Calling Guide

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Switch: BLTMMDSN

Switch (link to prefixes) Switch name Company
BLTMMDSN05T    
BLTMMDSN06T    
BLTMMDSN0MD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD 
BLTMMDSN1MD   361H ATLANTECH ONLINE, INC. - MD 
BLTMMDSN3MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 
BLTMMDSN5MD   4773 XO MARYLAND, LLC 
BLTMMDSN5MD   8992 ALLEGIANCE TELECOM, INC. - MD 
BLTMMDSN6MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 
BLTMMDSNDS5   4773 XO MARYLAND, LLC 
BLTMMDSNDS6   281E YMAX COMMUNICATIONS CORP. - MD 
BLTMMDSNFMD    
BLTMMDSNHMD    
BLTMMDSNKMD   327J TALKIE COMMUNICATIONS, INC. - MD 

Last updated: Tue, 04 May 2021 15:04:27 UTC

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