Current postage rates:

First class pre sorted rates are between $0.298 and $0.31 per piece first ounce (add $0.22 for each additional ounce).

Standard pre sorted rates are between $0.17 and $0.22 (up-charges apply over 3.3 ounces).

Non profit pre sorted rates are between $0.091 and $0.17 (up-charges apply over 3.3 ounces)