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Zip Code Lookup

Look up ZIP Codes by street address, city, and state. Or, find all ZIP Codes within a city and state.

Zip Code/Carrier Route Maps

The USPS refers its business customers to Maponics for postal maps and data.

USPS Price List

Notice #123 - Price list effective as of January 22, 2012.

Postage Price Calculator

Postage Price Calculator - Domestic and International Retail Prices.

Designer's Toolbox

Design tools for creative professionals.