Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State

Welcome to USPS.com. Track packages, pay and print postage with Click-N-Ship, schedule free package pickups, look up ZIP Codes, calculate postage prices, and find everything you need for …

Click here to Look up ZIP Codes™ for corporate and residential addresses. ZIP Code by Address Enter street address, city, and state to see a specific ZIP Code.

Address Lookup – Lookup individual addresses to verify/obtain the correct 5-digit ZIP Code, ZIP + 4 code, carrier route code, county code, delivery point code, and check digit code.

A ZIP Code is an essential part of the mailing process. We provide your business with several different ways to find a ZIP Code and understand it.

How to contact USPS for USPS Web Tools® and USPS API assistance. The USPS Web Tools API library gives ecommerce website shopping carts and shipping software access to USPS® data like …

Use the free ZIP Code Lookup and the ZIP+4 code lookup on the Postal Explorer website (left frame) to find the correct ZIP Codes and ZIP+4 codes for your addresses.

Skip Business Links Business Skip International Links International Skip Help Links Help Skip Search Search USPS.com

To make sure that you are getting a list with accurate addresses, ask about the National Deliverability Index (NDI) of the list. The NDI rates the percentage of addresses in a list that are deliverable.

The Postal Service does not assign addresses or designate an address type as Residential...New construction street addresses are created by the local governments and reported to USPS