AU (KDDI)Phone Number Lookup & Format
au by KDDI is one of the largest mobile network operators in Japan, providing mobile services, broadband, and business solutions to millions of customers.
AU (KDDI) Phone Number Format
Number Formats
+81 XX XXXX XXXX
Example Number
+81 70 1234 5678
AU (KDDI) Number Prefixes
Mobile Prefixes
Services & Features
Services Offered
- Mobile
- Broadband
- Business Solutions
Network Features
- 5G Network
- Unlimited Data Plans
- International Roaming
- Wi-Fi Calling
- Visual Voicemail
- HD Voice
- au WALLET
Developer carrier.apiIntegration
au numbers can be identified via carrier lookup APIs
Spam Protection & Security
Spam Blocking Service
au Call Protect
Report Spam
Report spam calls →AU (KDDI) carrier.faqTitle
How do I identify a AU (KDDI) phone number?
AU (KDDI) numbers can be identified by their prefixes: 070, 080, 090. You can also use carrier lookup services to verify the carrier of any phone number.
What is the format of AU (KDDI) phone numbers?
AU (KDDI) phone numbers follow the format: +81 70 1234 5678. The exact format depends on whether it's a mobile, landline, or toll-free number.
Can I get a virtual number on AU (KDDI)?
Yes! You can get a virtual phone number that works on any carrier network, including AU (KDDI). Virtual numbers offer flexibility and features like call forwarding, voicemail, and SMS capabilities.
How do I report spam calls from AU (KDDI) numbers?
You can report spam calls through AU (KDDI)'s official spam reporting service at https://www.au.com/report-spam. You can also use their spam blocking service: au Call Protect.
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