5: 25 p.m. update: Emergency phone service was restored at 4 p.m. for residents of the Liberty Hill area, according to Williamson County.
Previously: Residents in the Liberty Hill area may not be able to reach 911 because of a problem AT&T is having with phone lines that begin with the area code of 515 and 778, Williamson County officials said Thursday.
The alternate phone number for Williamson County emergency communications is 512-943-1394.
AT&T is working on a repair and hopes to resolve the problem shortly, according to a news release issued by the county. People with phone lines with area codes of 515 and 778 can call other numbers besides 911, the county said.