ZIP Code Finder by Address — Get the ZIP or Postal Code for Any Location
A checkout form rejects your order because the ZIP field is wrong, or a package sits in a sorting facility because one digit was off. This ZIP code finder by address turns any street address into its correct ZIP or postal code — type the full address into a single field and get the code in seconds. Alongside the postal code, the result shows the city, county, state, country, and geographic coordinates of the matched location. It works for addresses worldwide, free, with no account required.
Enter comma-separated address
How to Find a ZIP Code by Address
- Enter the address in one field, comma-separated — street, area, city, and state or country. For example: 1 Market Street, Financial District, San Francisco, CA.
- Run the search. The tool matches your input against a global address database and resolves it to a single location.
- Read the result. The ZIP or postal code appears at the top, with the full location breakdown below it.
That's the whole flow to look up a ZIP code by address — no separate street, city, and state fields to fill. The more detail you provide, the more precise the match: a street number and city almost always resolve to the exact delivery ZIP, while a vague query may return a broader area code.
What the Result Shows
Every search answers more than "what is the ZIP code for this address." The result card includes the ZIP/postal code, the matched place name with its category and type, the city, county, state and state code, country and country code, and the latitude and longitude of the location. That makes the tool useful beyond mail — you can confirm which county an address falls in, check the state code for a form, or grab coordinates for a map without running a second search.
One Finder for ZIP and Postal Codes Worldwide
ZIP codes are a United States system; most other countries call them postal codes or postcodes. This tool handles both directions of naming with one search — enter a US street address to get its ZIP code, or find the postal code by address for locations in the UK, Canada, Pakistan, Germany, or anywhere else, and the result returns that country’s format. There is no country selector: the address itself tells the zip code locator where to look, so the same zip code lookup by address works everywhere.
U.S. ZIP Code Formats
5-Digit ZIP Code
The standard US format, introduced by USPS in 1963. The five digits identify a broad delivery area — a town, a city district, or a region within a larger city. This is the code this tool returns for US addresses, and the one required by nearly every checkout and shipping form.
- Format: NNNNN
- Example: 10001
- What it helps with: Routing mail to the correct regional post office and delivery zone.
9-Digit ZIP Code (ZIP+4)
ZIP+4 adds four digits to the standard code to narrow delivery down to a block, a building, or a high-volume recipient, written as 12345-6789. ZIP+4 codes are assigned and maintained by USPS; this tool returns the standard postal code for an address, and you can retrieve the +4 extension for a verified US address from USPS’s own lookup.
- Format: NNNNN-NNNN
- Example: 10001-1234
- What it improves: Delivery accuracy, sorting speed, and reducing misrouted mail, especially for large buildings, offices, and locations where many units share the same basic ZIP.
When You Need to Find a ZIP Code by Address
- Shipping and mail routing — a correct code keeps packages out of re-routing queues and avoids courier address-correction surcharges.
- Checkout and registration forms — payment processors and address validators reject mismatched city/ZIP combinations.
- Service availability checks — shipping rates, delivery zones, and regional services are keyed to postal codes.
- Moving and research — ZIP boundaries map to counties, school zones, and demographic data, so the code is the entry point for area research.
- Emergency and location services — precise address to ZIP code mapping supports dispatch and coverage lookups.