US ZIP Code Lookup
Type any 5-digit ZIP and get the city and state instantly. Runs right in your browser - nothing to install, nothing tracked.
Download the whole dataset
Every ZIP, city, and state in one CSV - free to use in your spreadsheets, scripts, or app. No email, no link-backs, no catch.
Instant results
Lookups resolve as you type - no loading spinners, no round trips to a server.
Private by design
The dataset loads into your browser. We never see or store the ZIP codes you search.
24,000+ ZIP codes
Broad US coverage mapping each ZIP to its city and state, free to look up or download.
Frequently Asked Questions
How many ZIP codes are included?
Over 24,000 US ZIP codes, each mapped to its city and state.
Is it really free?
Completely. Look up as many ZIP codes as you want and download the full dataset as a CSV - no signup, no API key, no link-backs, no limits.
Do you track what I search?
No. The lookup runs entirely in your browser. Nothing you type is sent to us or stored.
What's in the CSV download?
A plain CSV with three columns - ZIP, City, and State - for every code in the dataset. Open it in Excel, Google Sheets, or your code.
Does it include population or coordinates?
Not in this free dataset. It focuses on accurate ZIP-to-city/state mapping. Need richer data? Get in touch.