How to Call Japan From the US: Complete Guide (+81)
Table of Contents
How to Dial Japan From the US
Japan uses the country code +81. Whether you are calling Tokyo, Osaka, or a Japanese mobile, the format is the same.
Dialling Format
From a US phone: 011 + 81 + area code (without leading 0) + local number
From a mobile with + dialling: +81 + area code (without leading 0) + local number
Example Calls
Major Japanese Area Codes
Japanese mobile numbers start with 070, 080, or 090 (drop the 0 when calling from the US).
Cost Comparison: Calling Japan
Best Time to Call Japan
Japan is in Japan Standard Time (JST, UTC+9). Japan does not observe daylight saving time.
- 14 hours ahead of ET: 9 AM in New York = 11 PM in Tokyo (same day)
- 17 hours ahead of PT: 9 AM in Los Angeles = 2 AM next day in Tokyo
- Best window from ET: 7-9 AM ET = 9-11 PM JST (evening in Japan)
- Best window from PT: 4-6 PM PT = 9-11 AM JST (morning in Japan)
The large time difference makes scheduling tricky. Early US mornings or late US afternoons work best for catching Japan during waking hours.
Tips for Calling Japan
- Use LINE, not WhatsApp: LINE dominates in Japan with 95 million users. Most Japanese people prefer LINE for calls and messages.
- Business etiquette: Japanese businesses expect formal greetings. State your name and company before your request.
- Avoid New Year: December 29 to January 3 is the biggest holiday period. Most businesses close.
- Mobile numbers are personal: Japanese people may not answer calls from unknown international numbers. Text or message via LINE first.
Summary
To call Japan from the US, dial 011 + 81 + area code (without 0) + number. BubblyPhone offers $0.01/min rates. Japan is 14 hours ahead of ET, so early US mornings or late afternoons are the best calling windows. Use LINE for free personal calls.
