How to Use the US ZIP to County and State Lookup – US Edition

The US ZIP to County and State Lookup – US Edition is a free, easy-to-use tool that helps you find the city, state, and county of any ZIP code in the United States.

What This Tool Does

Just enter any 5-digit US ZIP code, and the tool will instantly show you:

The name of the city or town

The state and its abbreviation

The county (if available)

The country information

Why You Might Use It

You’re filling out a form and need to know the county for a ZIP code

You want to know where a ZIP code is located

You work in real estate, legal, logistics, or marketing

You're verifying address information for a project

You’re just curious about a ZIP code

How to Use the Tool

Enter the ZIP code:
Example: Type 30301 (for Atlanta, Georgia)

Click the button that says “Get Info”

See the result instantly:
You’ll get the city, state, state abbreviation, and county (if available)

Example

If you type in 90210, the result might look like:

ZIP Code: 90210

City: Beverly Hills

State: California (CA)

County: Los Angeles

Country: United States (US)

Key Features

Free to use – no sign-up or payment required

Fast and simple – results appear instantly

Mobile-friendly – works great on phones and tablets

Official data – powered by open ZIP code databases

Who Can Use This Tool?

Homebuyers

Business professionals

Delivery and logistics workers

Researchers and data entry professionals

Students and educators

Try the Tool Now

It’s fast, free, and works anywhere in the United States.