Global Reference Data for
Bulk Address Validation
Validate addresses in bulk and ensure your records remain reliable and consistent.
HOW DOES IT WORK
Global address validation with self-hosted data in 4 steps
With GeoPostcodes’ reference data, your team can easily validate 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
Our team of experts will guide the implementation in your custom front-end, back-end, systems, or cloud software.
Validate
Validate addresses with a reliable reference database of ZIP codes and addresses.
Refresh
Frequent updates will keep your data always up-to-date.
Ready to validate addresses at scale?
Our team of data experts is ready to support your
address validation efforts.
20-minute consultation
No commitment required
100+ successful integrations
What’s address verification?
Address verification checks that an address is real, complete, and follows local postal standards. It’s used to keep customer data accurate, avoid shipping mistakes, and improve overall efficiency. GeoPostcodes data helps you correct, standardardize, and validate addresses worldwide.
What are the benefits of address verification?
Improved accuracy across systems
Customers maintain consistent, verified address records worldwide, reducing duplicates, errors, and mismatched regions across CRMs, ERPs, and logistics systems.
Error-free shipping and compliance
Verified postal and UNLOCODE data prevent shipment delays, customs fines, and location mismatches, saving time and operational costs across international networks.
Reduced manual & maintenance costs
Automated address validation replaces manual location checks and updates, helping enterprises save hundreds of hours and significant operational expenses annually.
Why perform international address verification?
- Regulatory & Tax compliance
- Data enrichment & Location intelligence
- Customer experience & conversion optimization
- Customer data accuracy & CRM integrity
- Logistics & shipping compliance
- Market research & panelist validation
Why choose GeoPostcodes data for address validation
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.
Global city definitions
Standardized city definitions and classifications for reliable address validation.
Trusted by Industry Leaders
Join more than 100 enterprise clients who trust GeoPostcodes for their location data

“After years of failed attempts with other providers, we finally developed a tailored solution together with GeoPostcodes. The collaboration was excellent.”

Mike Brady
Product Manager
“We replaced costly APIs and simplified our location data management thanks to GeoPostcodes. Life without it would be complicated.”

Nick Beaugié
Software Engineer

“With accurate and consistent master data, GeoPostcodes helps us resolve addresses across our platform and bridge data silos through enterprise knowledge graphing. It’s made a real difference.”

Henry Bowers
Data Scientist

William Chao
Product Owner

William Chao
Product Owner

Kousha Mazloumi
Director of Data Science
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.
Frequently Asked Questions
Bulk address verification is the process of checking and standardizing large volumes of address data in one operation. Companies use GeoPostcodes’ reference datasets to verify addresses by comparing them against official postal and administrative divisions. The result is a clean, standardized dataset that powers logistics, reporting, and CRM systems.
Enterprises, retailers, and logistics companies rely on address verification services to keep their databases accurate. GeoPostcodes provides the global reference data that enables these organizations to validate addresses in bulk, ensuring every postal code, city, and subdivision is correct before it’s used for shipping, analysis, or communication.
GeoPostcodes supplies global, standardized postal and administrative datasets that your own platform can use to verify addresses automatically. Each record links postal codes to cities, regions, and coordinates so your address verification software or batch address validation services can operate reliably across 247 countries without latency or API call limits.
Address verification confirms that an address exists and matches a real postal location. Address validation ensures that the address follows the correct format and structure required by postal standards. GeoPostcodes’ reference data supports address validation and verification by supplying verified postal codes, subdivisions, and cities that your internal systems can use to validate addresses in bulk.
API tools verify addresses one by one, which increases cost and response time. GeoPostcodes’ batch address validation datasets let your system process millions of records offline, maintaining full data ownership and privacy. Unlike address verification APIs, GeoPostcodes self-hosted datasets don’t depend on network availability or third-party pricing.
Postal and administrative boundaries change regularly, which can affect the accuracy of your internal database. Companies should update their GeoPostcodes reference data every three to six months to ensure their address verification tools and batch address validation services always use the most current global information.
Yes. GeoPostcodes provides global coverage for international address verification and validation across 247 countries, including complex regions like Japan, Brazil, and China. This allows your internal address verification software to verify addresses in multiple languages, alphabets, and postal systems using one unified GeoPostcodes dataset.
GeoPostcodes datasets integrate easily with major enterprise systems such as Salesforce, SAP, Microsoft Dynamics 365, and custom-built logistics platforms. When these systems use GeoPostcodes as their reference layer, they gain consistent, automated batch address validation capabilities across departments and markets.
GeoPostcodes curates data from more than 1,500 authoritative postal, statistical, and mapping sources. Each update undergoes multi-stage quality control to guarantee the reliability needed for address verification and address validation services used by enterprise clients worldwide.
Companies like MSC and DB Schenker have streamlined their logistics and compliance workflows by using GeoPostcodes’ reference data address verification and validation. These clients reduced manual address maintenance, avoided failed shipments, and saved hundreds of operational hours through more efficient batch address validation.
Yes. Your internal or third-party address verification software can leverage GeoPostcodes datasets to improve accuracy and reliability. The standardized postal and administrative hierarchy of the GeoPostcodes database gives address verification tools a single source of truth to cross-check and correct inconsistencies across systems.
Both processes deal with large-scale data quality. Batch address validation services focus on ensuring data is formatted and complete, while batch address verification services confirm the physical existence of each address using reference data. GeoPostcodes provides the foundational data layer both services – batch address validation and verification – depend on.
Yes. GeoPostcodes datasets can be integrated locally to replace or complement an address verification API. Using GeoPostcodes address verification database eliminates recurring API costs, removes rate limits, and gives your company full control over its bulk address verification process.
Industries like logistics, market research, e-commerce, and fintech use address verification to maintain clean, compliant, and operationally efficient customer or shipment data. GeoPostcodes empowers these sectors by providing the global datasets needed for consistent batch address validation and reporting.


