When did first-class postage rates rise to 44 cents?
On May 11, 2009, postage rates for first-class stamps increased from 42 cents to 44 cents. According to a pricing fact sheet released by the United States Postal Service (USPS), any possible future price increase would not occur before January 2011.Source:USPS: Rates for Domestic Letters, 1863-2009U.S.