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Enter an address and receive the ZIP+4 code. Here you will find ZIP Code frequently asked questions. Check online and get the answers quickly. Find publications and guides to assist you in managing your addresses. Retrieve information on Postal abbreviations quickly and easily.
ZIP Plus 4 Codes help to prevent misdelivered, lost, delayed, and returned mail. Including those last 4 digits of the ZIP Code can reduce delivery time by as much as 2 days. Also called plus-four codes, 9-digit ZIP Codes, and full ZIP Codes, you can look up USPS ZIP+4 Codes using various tools.
Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Enter city and state to see all the ZIP Codes ™ for that city. Enter a ZIP Code ™ to see the cities it covers. result does not confirm that a person or company is at that address.
To determine a ZIP +4 Code you will need to know an address. The last four digits are not specific to a city but to a street address or Post Office Box. The first five digits identify the area of the country and the delivery office to which the mail is directed.
With the Firstlogic tool, you can quickly search for ZIP+4 codes by entering an address or partial address. Lookup the full ZIP+4 code for an address using our free tool. If using the USPS tool is more your speed, read on for a step-by-step guide.
Our address validation software is able to retrieve the ZIP code of an address based on the Street name and number, City, and State information. If you don't have the ZIP code information for an otherwise complete address, our tool can find it for you.
ZIP+4™ is the US Postal Service’s extended ZIP code format that includes an additional four digit code. The four extra numbers in the extended ZIP code represent specific delivery routes within the delivery area.