Input a switch CLLI code:
(Building CLLIs will not work here)
If you do not know the full CLLI for the switch you're looking for - use the "Switch Listings By: CLLI" link on the left, where you can search by partial CLLI.

Information on: TCSNAZMATMD
English Name:TUCSON
Switch Type:N/A
Host CLLI (if remote):N/A
LATA:Tucson AZ (668)
Exchanges Served:1
Building CLLI:TCSNAZMA (See DSL Reports information on this wirecenter)
Street Address:126 E Alameda St
Tucson, AZ
Lat/Long:32.22453, -110.96941
V/H Coord:9346, 6487
SS7 Point Code:N/A
Served Exchanges:520-264
Served Rate Centers:NOGALES, AZ
Served Companies:AT&T - LOCAL (7421)
Member of The Internet Defense League