Local Calling Guide

Switch search

Search by CLLI code
  • Enter full or partial CLLI code to see all matching switches.

Switch: BLTMMDSN

Switch (link to prefixes) Switch name Company
BLTMMDSN05T BALTIMORE   
BLTMMDSN06T BALTIMORE   
BLTMMDSN0MD   1958 ATX TELECOMMUNICATIONS SERVICES, LTD. 
BLTMMDSN1MD   361H ATLANTECH ONLINE, INC. - MD 
BLTMMDSN3MD   8697 BALTIMORE-WASHINGTON TELEPHONE (BWT) 
BLTMMDSN5MD    
BLTMMDSN6MD   6119 LEVEL 3 COMMUNICATIONS, LLC - MD 
BLTMMDSNDS5   4773 XO MARYLAND, LLC 
BLTMMDSNDS6 BALTIMORE  281E YMAX COMMUNICATIONS CORP. - MD 
BLTMMDSNFMD   939H COMMIO, LLC 
BLTMMDSNHMD    
BLTMMDSNJMD    
BLTMMDSNKMD    
BLTMMDSNLMD   732J NUSO, LLC 

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.