ZIP Code Lookup
Enter a US ZIP Code to find the city, state, and geographic coordinates.
US ZIP Code Lookup – Instant Postal & City Search
Whether you are shipping package inventory, writing address forms, preparing tax documents, or verifying a business location, accurate postal information is vital. Writing an incorrect ZIP code can result in delivery delays or returned mail. Our free online ZIP Code lookup utility allows you to instantly search any 5-digit US postal code to find its corresponding city, state, and latitude/longitude coordinates.
How to Look Up a ZIP Code
- Input code: Enter your 5-digit US ZIP code in the lookup workspace above.
- Resolve: Click the "Lookup" button.
- Verify Results: Check the details. The tool instantly displays the matched city name, state, state abbreviation, and geographic coordinates.
Key Features of Our Postal Lookup Tool
- Real-Time Database Queries: Queries coordinate datasets instantly. No lag or waiting.
- Geographic Coordinates: Get exact latitude and longitude values for mapping purposes.
- 100% Free: No daily search limits or premium walls.
- No Sign-Up Needed: Get answers immediately without sharing email addresses or personal information.
What is a ZIP Code?
ZIP stands for Zone Improvement Plan. Introduced by the USPS in 1963, the system was designed to optimize mail sorting.
- Digit 1: Represents a broad group of US states (e.g. 0 for New England, 9 for West Coast).
- Digits 2-3: Represents a central post office distribution region.
- Digits 4-5: Represents a specific local post office or delivery address area.
Checking server or IP details? Try our IP Lookup Tool. To convert units of distance, use the Unit Converter. For formatting documents, try our Word to PDF Converter.
Frequently Asked Questions
How to use the ZIP code lookup tool?
Enter a valid 5-digit US ZIP Code into the search field above and click 'Lookup'. The tool immediately parses geographic coordinates to display the primary city, state, and latitude/longitude coordinates of the area.
Does this support USPS address checks?
Our tool queries standard geographic registries. Inputting a 5-digit ZIP resolves the primary postal name of the town and state mapped by the United States Postal Service (USPS).
What is a 9-digit ZIP code?
A 9-digit ZIP code (known as ZIP+4) includes the standard 5-digit delivery zone and an additional 4 digits representing a specific delivery route, street block, or building for more precise mail routing.
Can I find a ZIP code by typing a home address?
Our current tool resolves a 5-digit ZIP code into its city and state location. If you need to search a full street address, you can click the USPS official locator link provided in our guide below.
Is the ZIP Code Lookup free to use?
Yes. Our tool is 100% free with no registration, usage limits, or advertisement banners.