The U.S. Postal Service website is a goldmine of information. Enter an address, get the ZIP+4 code instantly. Find a post office location, check rates, read postal updates and more. Click here to find zip codes
Zip Code Locator
Our staff at KD Mailing & Fulfillment is extremely knowledgeable in postal regulations. KD works with our clients to create the best direct mail piece design. Let us show you how to set up a mailing piece to help qualify for the best postal rates, eligible postal discounts and post office services.