Reference data for US
Address Autocomplete
Standardized across countries
233 address formats mapped in a unified structure with consistent administrative levels.
Multi-language support
299 languages, including local languages, foreign names, English, and transliterations.
Full customization
Improve your autocomplete experience with custom fields, personalize your forms and offer relevant suggestions at input.
What are the benefits of address autocomplete?
Improved data quality at input
Prevent typos and incomplete entries with validated, structured addresses at the moment of input.
Superior user experience
Reduce friction and guide users to accurate addresses with fast, reliable suggestions.
Increased conversion rates
Reduce drop-offs by suggesting accurate addresses and speed up checkout and sign-up.
What can you expect from our US Address Autocomplete Database?
41K
Verified ZIP codes
3K
Administrative areas
53K
Cities and towns
HOW DOES IT WORK
Global address autocomplete with self-hosted data in 4 steps
With GeoPostcodes’ data, your forms can easily auto-suggest enriched addresses worldwide. Just download the dataset, integrate it into your system, and refresh it periodically.
Download
Access our verified and standardized ZIP code, city, and address data.
Integrate
Validate at input
Refresh
Frequent updates will keep your data always up-to-date.
HOW DOES IT WORK
Why use self-hosted data for your address autocomplete?
![]() | Third-party API | |
|---|---|---|
| Price | FIXED COST | PER QUERY |
| Control over security, speed and latency | FULL | NO |
| Customization | FULL | LIMITED |
| Analytics | FULL | LIMITED |
| Connection to 3rd party required | NO | YES |
| Integration into your software | FULL | NO |
Why choose GeoPostcodes
Global coverage
Complete coverage across 247 countries, including hard-to-source geographies like China, Japan, Brazil, and Russia.
Highest quality
Built on extensive, authoritative sourcing with robust data engineering and quality control. Standardized and up-to-date.
Expert Consulting
With 15 years of experience, we guide your implementation and deliver data in the format that fits your system.
Trusted by Industry Leaders
Join more than 100 enterprise clients who trust GeoPostcodes for their location data
Anjo Grebe
Consultant


Dr. Peter Wild
Managing Partner

Kousha Mazloumi
Director of Data Science

Kousha Mazloumi
Director of Data Science

William Chao
Product Owner of Geographic Information Services


Kate Kilby
Senior Product Manager

Dave Hamm
Project Manager

Kavian Ranjbar
Data Governance Specialist

Nick Beaugié
Senior Software Engineer
Global Location Databases
Comprehensive location data products serving businesses, and
organizations worldwide with accurate, up-to-date geographic information.

Postal Code Database
Global dataset containing all administrative divisions, cities and zip codes.
Key features
- 247 Countries
- 9,9M Coordinates
- 9,3M Postal Codes
- 400 Time zones
- 4M Cities and Towns
- 116K UNLOCODES
Specifications
- Coverage: Global
- Format: CSV, ASC, DAT, GML, GeoJSON, KML, Shapefile (SHP)

Boundary Data
A global dataset of polygons representing postal codes and administrative areas.
Key features
- 247 Countries
- Up to 6 levels
- 1,7M boundaries
- High-precision
- 245K Admin areas
- Visualization
Specifications
- Coverage: Global
- Format: GeoJSON, Geopackage, KML, Shapefile (SHP)

Population Database
Global population estimates at postal code and administrative level covering a span of 55 years: past, present, and future.
Key features
- 247 Countries
- 243K Admin areas
- 55 year span
- Yearly updates
- 645K ZIP codes
Specifications
- Coverage: International
- Format: CSV, ASC

Address Database
International dataset with all administrative areas, cities, streets, and relevant postal codes.
Key features
- 81 Countries
- 299 languages
- 26,5M streets
- 400 time zones
- 9.3M ZIP codes
- 4M cities
Specifications
- Coverage: International
- Format: CSV, ASC, DAT, GML, KML, Shapefile (SHP), GeoJSON
Related use cases
From address validation to market analysis, our postal code data powers
key operations
Address Validation
Capture accurate addresses for every country and territory in the world, in any language, and match local requirements.
Reporting and Business Intelligence
Ensure accurate and consistent reports across your organization. Enhance data analysis with location intelligence.
Logistics and Shipping
Design and optimize your distribution network, plan your pick-up and drop-off locations, reduce costs and improve visibility over your shipping.
Map and Visualization
Analyze complex trends and discover actionable insights. Build engaging and intuitive map-based data visualizations.
Sales and Marketing
Segment customers for site selection, analytics, geofencing, campaigns, mapping, and targeted ads.
Global Postal Code Coverage
Related Countries
Frequently Asked Questions
US address autocomplete is a feature that suggests complete, valid addresses as a user types. It reduces input errors by matching partial entries with real postal addresses. When powered by high-quality reference data, it ensures that each suggested address follows official US formatting and can be used confidently in shipping, checkout, or identity workflows.
US address autocomplete improves data accuracy by preventing incomplete, misspelled, or incorrectly formatted entries from being submitted in the first place. The system uses structured reference data to match user input with verified US address components such as street names, cities, and ZIP codes. This ensures that organizations store clean, standardized address data from the moment of capture.
Address autocomplete helps users enter valid-looking addresses quickly. Address validation checks whether an address is correctly structured. Address verification confirms whether the address actually exists and can be used for delivery. When combined, these three processes help businesses create a reliable end-to-end address capture workflow supported by accurate postal reference data.
Companies use US address autocomplete to reduce user friction, minimize typing, and prevent failed deliveries. Faster data entry improves conversion rates, while accurate address suggestions reduce manual corrections. This is especially valuable in e-commerce, logistics, fintech, and marketplaces where clean, standardized addresses are essential for customer experience and operational success.
GeoPostcodes provides the authoritative reference data that powers US address autocomplete. Our datasets include postal codes, cities, administrative divisions, and street-level information structured for high-performance matching. Companies integrate this data into their own autocomplete engines or APIs to deliver fast, accurate address suggestions at scale.
Yes. A strong autocomplete solution can surface both residential and commercial addresses by relying on complete reference datasets. With the right data, systems can map each suggested address to the correct locality, administrative unit, and ZIP code, ensuring that organizations capture all relevant address types with consistency.
Accurate autocomplete requires frequent updates to reflect street name changes, new developments, ZIP code adjustments, and administrative updates. GeoPostcodes refreshes its global and US datasets quarterly, ensuring that suggested addresses match the most current postal and administrative structures.
Many businesses pair US address autocomplete with global autocomplete solutions to cover international operations. GeoPostcodes supports this by offering standardized datasets for 247 countries, enabling companies to maintain consistent address capture across both US and international markets.
US address autocomplete can be integrated into CRMs, ERPs, e-commerce platforms, and custom applications. Teams typically use a lookup API, a search engine, or their own autocomplete logic connected to a structured postal database. GeoPostcodes provides data formats—including SQL, CSV, and API-ready structures—that developers can use to build fast, reliable autocomplete functionality.
High-quality reference data ensures that autocomplete suggestions are accurate, current, and aligned with official postal records. Poor data leads to incorrect suggestions, validation failures, and delivery issues. GeoPostcodes solves this by offering standardized, well-maintained datasets that help companies capture clean addresses from the start and support downstream processes such as validation, verification, routing, and analytics.
Deploy reliable location data for address autocomplete
Learn how to power your address autocomplete through reliable data with our expert guides.



