US ZIP Code Ranges by State

ZIP codes are five-digit numerical codes used by USPS to organize geographic regions and route mail efficiently across the United States.

What Is a ZIP Code?

ZIP (Zone Improvement Plan) codes are five-digit numbers assigned by the United States Postal Service (USPS). Each code represents a specific geographic area, helping to streamline mail sorting and delivery.

Example ZIP Code Ranges

StateCodeZIP Range
CaliforniaCA90001–96162
TexasTX73301–88595
New YorkNY00501–14925
FloridaFL32003–34997
IllinoisIL60001–62999

Why ZIP Code Accuracy Matters

Accurate ZIP codes are essential for address validation, shipping previews, analytics segmentation, and form testing. Incorrect ZIP codes can cause validation failures and delivery issues in production systems.

Generate Addresses by State

Generate Addresses with Valid ZIP Codes

Our tool generates addresses with ZIP codes that match the correct state ranges.

US Address Generator