Postal Code Validator
Validate postal and ZIP codes against country-specific formats.
Runs locally in your browser. Your input is not uploaded.
How to Use
- 1
Pick the country
Ten countries with official format rules.
- 2
Paste codes
One per line.
- 3
Fix failures
Each failure shows an example of the expected format.
Frequently Asked Questions
- US (ZIP and ZIP+4), UK, Canada, Germany, France, India, Australia, Japan, Netherlands, and Brazil — each with its official format pattern.
Related Tools
Email ValidatorValidate email address syntax with detailed feedbackURL ValidatorCheck URL format and parse components for validityIP Address ValidatorValidate IPv4 and IPv6 address formatMAC Address ValidatorValidate MAC address format in multiple notationsUUID ValidatorValidate UUID format and detect version (v1–v5)Credit Card ValidatorValidate credit card numbers with Luhn algorithm (no data sent)Phone Number ValidatorValidate international phone number formatsDomain ValidatorValidate domain name and hostname syntax