Sparks are flying within the coalition as fiery Nationals Senator Barry O'Sullivan takes aim at Federal Communications Minister Malcolm Turnbull for subjecting rural communities to "third world" services.

Mr O'Sullivan is furious that the Diamantina and Barcoo shires in western Queensland have been excluded from receiving optic fibres under the National Broadband Network and are currently in the 3 per cent of the population limited to receiving a satellite-only service.

Nationals Senator Barry O'Sullivan wants Communications Minister Malcolm Turnbull to "roll his swag out" in far-western Queensland. Credit:Andrea Crothers

Mr O'Sullivan saw the gaps in the government's highly touted NBN scheme while touring far-western Queensland earlier this month.

"It's a shame on our nation," Senator O'Sullivan said.