The telecommunications giant will be putting temporary measures in place as the tower has to be completely rebuilt.

Eastern Victoria regional general manager Loretta Willaton told The Border Mail Telstra was looking at options to get limited service to customers in Jingellic.

"We are looking at putting in a Telstra smart antenna that could provide limited mobile coverage while we get the tower back up and running," she said.

"We are working as quickly as we can to restore service to Jingellic but this doesn't happen overnight.

"It will take some time."

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Ms Willaton couldn't provide an estimated time frame for when the tower would be operational again but said they would update the community as it progresses.

In neighbouring Walwa, Telstra has brought in a SatCOW, which is a satellite cell-on-wheels, to help residents receive mobile reception temporarily until more restoration works can be done.

For the small community of Cudgewa, which was one of the worst hit during the fires with 15 houses destroyed, mobile service is back up and running.

"Both the mobile towers have been restored but fixed lines are still down," Ms Willaton said.

Corryong residents should be able to use both mobile and landline services again.

"We have been working as hard as we can to restore these communications for the communities who were cut off from everything," Ms Willaton said.

"But before we send our staff into these areas we understandably need to make sure it is safe for them to do so.

"So we have been working along side emergency services, and in some areas the ADF, to help get our crews in to do repair works."

Telstra customers can access their assistance package if their service has been impacted by fires.

Telstra is also covering phone bills of volunteer firefighters.