Agnes Water residents Optus services are back up and running after more than 12 hours without mobile services.
An Optus spokesperson said at 12.30pm this afternoon Agnes Water and Westwood North services had been restored but service is still down for Seventeen Seventy.
"Optus technicians are investigating causes for the disruption," they said.
An Optus spokesperson said the outages issue was identified earlier this morning after upgrades occurred last night affecting Agnes Water, Seventeen Seventy and Westwood North.
"Optus identified an issue in bringing ... regions back online following scheduled upgrade works that took place overnight," they said.
Optus are currently on-site to resolve the issue with no estimate as to when services in affected areas will be back online.
SENDING a text or making a phone call will be difficult this morning for people in the Gladstone region.
Optus services are down at Agnes Water and surrounding towns affecting all voice, text, internet and email services.
According to the mobile network coverage website, Optus have identified a fault causing issues with voice and data services.
It is believed Optus customers have been without services since about 10.30pm last night.
Optus have been contacted for comment.
Update to come.