Parts of Bath and north east Somerset could be last to get connected with superfast broadband.
Concerns have been raised over the timetable for connection in rural areas after an interactive map revealed the district will not be included in the initial phase of the internet upgrade.
The Connecting Devon and Somerset programme, which includes B&NES Council, aims to deliver broadband internet speeds of at least 2mbps to 90 per cent of households by 2016.
An announcement by the consortium last month revealed none of the areas to be included in the first phase are in Bath and north east Somerset, which has led to criticism by opposition councillors.
Conservative group leader Councillor Tim Warren (Con, Mendip) has called on B&NES to reveal which parts of the area are set to benefit and when, and what areas will not be covered by the upgrade.
Mr Warren said: "It's clearly very disappointing that the council hasn't managed to ensure that communities within B&NES are among the first to benefit from improved broadband speeds.
"But what's even more frustrating is the fact that neither BT nor the council have yet agreed to publish the detailed roll-out timetable that would show which parts of the area are to be upgraded and when."
However, cabinet member for sustainable development Councillor Ben Stevens said the upgrade project was going to plan.
He said: "Although the first areas to receive high speed broadband under the project were not planned for our area, the fact that progress is being made on the roll out elsewhere in the region is immensely encouraging.
"It gives confidence to the council that together with BT and Connecting Devon and Somerset the project will hit the ground running in our area for completion by the end of 2016."
Mr Stevens added that B&NES was hoping to access a further £250 million of Government funding to help connect 95 per cent of premises to high speed broadband by 2017.
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