ST. PAUL (AP) - Consumers hoping for official quotes on how much they might have to pay for health plans sold on Minnesota's health insurance exchange, dubbed MNsure, are going to have to wait.

Several other states, including California and Oregon, have already published the premium rates that health insurers want to charge for plans to be sold on the exchanges in those states. While carriers have already filed their rate proposals with Minnesota regulators, reports are that state law requires keeping them confidential until the exchange goes live in October.

The state exchanges are key parts of the Obama administration's health care overhaul, which seeks to extend insurance coverage to all Americans. About 1.3 million Minnesotans are expected to get coverage through MNsure, including 300,000 who currently don't have insurance.