FAQ Postal Reference Database

Where does the addressdoctor reference data come from?

In most cases the reference data comes directly from the postal organizations of a country. If this isn't possible, other data suppliers like telecommunication organizations, direct marketing companies, or cartographic offices are consulted.

How do I obtain new databases?

Registered customers may download updated databases in our Opens internal link in current windowdownload section.

What is the size of the AddressDoctor reference database?

The total size of the reference database (world coverage for address validation and geo-coding) is currently approximately 29 GB (as of September 2011). This size is for the more than 240 supported countries and territories, including any CERTIFIED data, supplementary data, and geo-coding databases, because we continuously improve our database this size is likely to grow over time.

Can we extract the postal reference data from the databases?

The postal reference data cannot be extracted from AddressDoctor's reference database, this is due to licensing restrictions with our postal carriers.

How often is the AddressDoctor database updated?

Updates are available bi-annually, quarterly and monthly. The update frequency depends on the product purchased.  Update frequencies can be found on our Opens internal link in current windowcountries & data page.