4 Services from formataddress.com

Returns per-country postal address format rules, field order, postal code patterns, and subdivision metadata for a given ISO 3166-1 alpha-2 country code.

Formats and validates postal addresses for 252 countries using Google's libaddressinput metadata, returning correctly structured address blocks with per-country formatting rules.

Returns the list of administrative subdivisions (states, prefectures, provinces, etc.) for a given country, including their codes, names, Latin names, and postal code patterns.

Validates and formats a postal address block against Google's libaddressinput rules for a given country, returning whether the address is valid and what problems were found.