About Postal Code Lookup
We're on a mission to make postal code and ZIP code information freely accessible to everyone, everywhere in the world.
Our Impact at a Glance
Our Mission
Postal Code Lookup was founded with a simple belief: access to accurate postal information should be free and universal.
Whether you're an e-commerce business shipping internationally, a traveler filling out customs forms, a developer building location-based applications, or simply someone trying to find the correct ZIP code for a letter – we believe you deserve access to this fundamental information without barriers.
Our platform aggregates postal code data from authoritative sources including GeoNames.org, OpenStreetMap, and official postal services worldwide. We organize this data into an intuitive, fast, and reliable search tool that works across 40+ countries and territories.
What We Offer
- Free Postal Code Search: Look up ZIP codes and postal codes by city, address, or location name across 40+ countries
- Interactive Maps: Visualize postal code locations on interactive maps powered by OpenStreetMap
- Bulk Data Access: Comprehensive databases covering major cities, states, and provinces worldwide
- Multi-Country Support: From US ZIP codes to UK postcodes, from Japanese postal codes to Brazilian CEPs
- Mobile-Friendly: Fully responsive design that works perfectly on smartphones, tablets, and desktops
- No Registration Required: Instant access without sign-ups or fees
Our Core Values
Accessibility First
Postal information is essential infrastructure. We believe it should be free and accessible to everyone, regardless of location or economic status.
Accuracy Matters
We source data from reputable providers and continuously update our databases to ensure the most current and accurate postal codes available.
Speed & Simplicity
No cluttered interfaces or confusing forms. Just enter a location, get results instantly. Every feature we add must pass the "simple test".
Privacy Respectful
We don't require personal data to use our service. Your searches are your business. We only use minimal analytics to improve performance.
Data Sources & Transparency
We believe in transparency about where our data comes from. Postal Code Lookup aggregates information from multiple open and authoritative sources:
- GeoNames.org – Geographical database under Creative Commons license
- OpenStreetMap – Open-source map data contributed by volunteers worldwide
- Official Postal Services – Publicly available postal code directories where applicable
Important Disclaimer: While we strive for accuracy, postal codes can change, and our data may not always reflect the most recent updates. For critical applications (mailing important documents, legal addresses, shipping high-value items), we recommend verifying postal codes with your local postal service's official website.
Meet the Team
Postal Code Lookup is built and maintained by a small, dedicated team passionate about open data and useful tools:
Postal Code Lookup Team
💡 Want to join us? We're always looking for contributors who share our passion for open data. Whether you can help with data validation, translation, or feature suggestions – we'd love to hear from you via our Contact page.
Our Journey
Get In Touch
Have questions, feedback, or partnership inquiries? We'd love to hear from you. Our team typically responds within 24-48 hours.
Contact Us →