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Look Up a ZIP Code ™. ZIP Code™ by Address. Enter a street address along with city and state OR enter a street address and ZIP Code ™. A ZIP Code result does not confirm that a person or company is at that address.
Your local Post Office or Business Mail Entry Unit can help you choose the best option for cleaning up your mailing list. Here are some of choices: Use www.usps.com to check the ZIP Codes in your list. Process your address list through CASS-certified software. Address List Correction Service.
All you have to do is fill out a change-of-address (COA) form online or at the post office through the United States Postal Service (USPS). However, if you've already changed your address with USPS, but appear to not be receiving some of your mail, here's how to verify that your change of address (COA) went through.
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.
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. Note: A ZIP Code result does not confirm that a person or company is at that address.
Verify Your Identity In-Person. Some USPS® services require identity verification. If you can't verify your identity online (or prefer not to), follow your instructions and bring acceptable ID and any required documents or barcodes. Complete Customs Forms & Specialized USPS Services.
Opt in online to receive a verification code or link on your mobile phone OR go to a Post Office ™ location with an acceptable photo ID to complete the identity verification process in person. Pay the $1.10 identity verification fee.