Phone circuit testing (non-VOIP) phones Oct. 31; 2-6 a.m.

AT&T and Verizon will be testing our phone circuits on Thursday, Oct. 31 from 2 a.m. to 6 a.m. During this time, non-VoIP phones will not be able to receive or make calls outside of the 630 area code. Four-digit dialing throughout the lab will continue to work. For a listing of affected phone numbers and a map) of the areas of the lab affected, please see (access onsite only or via VPN). Only the orange area on the map is affected.