ISO 3166-2: Country Subdivision Codes
ISO 3166-2 defines codes for the names of the principal subdivisions (states, provinces, regions, etc.) of all countries coded in ISO 3166-1. Explore administrative divisions worldwide.
Code Format
ISO 3166-2 codes consist of:
- The ISO 3166-1 alpha-2 country code
- A hyphen (-)
- Up to 3 alphanumeric characters for the subdivision
Format: CC-SSS
Examples: US-CA (California, USA) GB-ENG (England, UK) DE-BY (Bavaria, Germany)
Search Subdivisions
Major Country Subdivisions
Common Subdivision Types
🇺🇸 United States
Type: States
- California US-CA
- New York US-NY
- Texas US-TX
- Florida US-FL
🇬🇧 United Kingdom
Type: Countries & Regions
- England GB-ENG
- Scotland GB-SCT
- Wales GB-WLS
- Northern Ireland GB-NIR
🇨🇦 Canada
Type: Provinces & Territories
- Ontario CA-ON
- Quebec CA-QC
- British Columbia CA-BC
- Alberta CA-AB
🇦🇺 Australia
Type: States & Territories
- New South Wales AU-NSW
- Victoria AU-VIC
- Queensland AU-QLD
- Western Australia AU-WA
🇩🇪 Germany
Type: States (Länder)
- Bavaria DE-BY
- North Rhine-Westphalia DE-NW
- Baden-Württemberg DE-BW
- Lower Saxony DE-NI
🇫🇷 France
Type: Regions
- Île-de-France FR-IDF
- Provence-Alpes-Côte d'Azur FR-PAC
- Auvergne-Rhône-Alpes FR-ARA
- Occitanie FR-OCC
Common Use Cases
🏢 Business Applications
- Tax jurisdiction identification
- Shipping and logistics
- Regional sales reporting
- Compliance and regulation
🌐 Web Development
- Address form validation
- Geolocation services
- Regional content delivery
- Location-based features
📊 Data Analysis
- Regional demographics
- Geographic data analysis
- Statistical reporting
- Market research
🏛️ Government Services
- Administrative boundaries
- Electoral districts
- Public service delivery
- Census and surveys