04770 area code — Ichikawa
In Japan, the area code 04770 covers Ichikawa. It falls within Chiba. Numbers are written internationally as +81 4770.
How to call Ichikawa
- From abroad
- +81 4770 XXX XXXX
- Within Japan
- 04770 XXX XXXX
- Country calling code
- +81
About the 04770 area code
When you see a number beginning +81 4770, it belongs to Ichikawa: the 81 is Japan's country calling code and 4770 is the area code.
Area codes like 04770 tie a phone number to a place — useful for knowing where a call or message originates, and for signing up to services that expect a local Japan number. To actually receive an SMS on a Japan number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Ichikawa?
Ichikawa uses the area code 04770, written internationally as +81 4770.
How do I call Ichikawa from another country?
Dial your international access code, then +81 4770, then the local number — dropping the national leading 0.
What time is it in Ichikawa?
Ichikawa is in the Asia/Tokyo time zone; the live clock above shows the current local time.
Is 04770 a mobile or a landline code?
04770 is a geographic (landline) area code for Ichikawa. Mobile numbers in Japan use their own separate prefixes.