ROBERTSON COUNTY, Tex. (KBTX) - UPDATE: As of 6:45 a.m. Tuesday, the Robertson County Sheriff's office says phone service is back up throughout the county.
An alert says all lines appear to be working at this time.
Officials say they have not yet been provided with a reason behind the issue that caused some 911 calls to not go through Monday night.
The Robertson County Sheriff's Office says crews having been working to restore landline and cell phone service to the area.
The Sheriff's Office says some 911 calls are not going through.
Arrangements have been made for 911 calls to be temporarily transferred to a cell phone line within the Robertson County Sheriff's dispatch.
You can contact the sheriff's office directly at (979) 828-3299.
The cause of the issue has not yet been determined.