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: BLTMMDFMDS0
State:MD
English Name:BALTIMORE
Switch Type:Northern Telecom DMS100 (Digital) Host
Host CLLI (if remote):N/A
Status:N/A
LATA:Baltimore MD (238)
Exchanges Served:47
Building CLLI:BLTMMDFM (See DSL Reports information on this wirecenter)
Street Address:25 S Charles St
Baltimore, MD
Map:
Lat/Long:39.28871, -76.61493
V/H Coord:5511, 1574
Tandem:N/A
SS7 Point Code:N/A
Served Exchanges:410-423 410-427 410-510 410-513 410-559 410-564 410-568 410-649 410-689 410-776 410-818 410-843 410-951 410-972 443-267 443-272 443-297 443-343 443-348 443-360 443-376 443-402 443-406 443-412 443-417 443-424 443-441 443-457 443-489 443-502 443-507 443-533 443-648 443-671 443-672 443-674 443-679 443-693 443-698 443-731 443-732 443-784 443-914 443-918 443-937 443-943 443-974
Served Rate Centers:COLUMBIA, MD TOWSON, MD FORK, MD PARKVILLE, MD PIKESVILLE, MD ELKRIDGE, MD COCKEYSVL, MD BALTIMORE, MD GLENBURNIE, MD BEL AIR, MD CATONSVL, MD ANNAPOLIS, MD DARLINGTON, MD RANDALLSTN, MD ARBUTUS, MD MILLERSVL, MD WOODLAWN, MD ABERDEEN, MD DUNDALK, MD EDGEWOOD, MD ELKTON, MD CHURCHVL, MD FALLSTON, MD CARDIFF, MD GLENWOOD, MD BRYNPKLNCM, MD CHASE, MD HAVREGRACE, MD HAMPSTEAD, MD JARRETTSVL, MD ESSEX, MD NEWWINDSOR, MD PARKTON, MD NORTH EAST, MD SEVERN, MD PERRYVILLE, MD ODENTON, MD PT DEPOSIT, MD SILVER RUN, MD ARGRGBSNIS, MD WORTHINGTN, MD TANEYTOWN, MD UNION BDG, MD SPARROWSPT, MD WESTMINSTR, MD
Served Companies:TELEPORT COMMUNICATIONS AMERIC (7325)
Member of The Internet Defense League