Japan Phone Number Format Guide
Basic Format and Structure
Japanese phone numbers follow these patterns:
Components
- Country Code: +81
- Mobile Prefix: 070/080/090
- Subscriber Number: 8 digits
Format Examples
+81 90-1234-5678- International format090-1234-5678- Domestic format0901234567- Plain format
Carrier Information
Major Carriers
- NTT Docomo: 090-1, 090-2, 090-3...
- au (KDDI): 080-1, 080-2, 080-3...
- SoftBank: 070-1, 070-2, 070-3...
Recent Changes
- Introduction of 070 prefix for mobile numbers
- Implementation of number portability
- 5G network deployment
- Expansion of MVNOs in the market