Search by CLLI Code

If you already know what Central Office or CLLI you would like more detailed information about, enter the code in the appropriate search box and click Search. You can enter either the 8-digit or 11-digit CLLI code.

Search by NPA-NXX

You can search by area code (NPA) or NPA-NXX by entering it in the corresponding search box and clicking Search. An area code search will present a list of available NPA-NXX's.