4 Area Code
Kamogawa, Chiba and 2 other locations · Japan
Country code +81 · ISO JP
Example 4 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| 04-2034-5678 | +81 4-2034-5678 | +81420345678 |
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Pre-filled with a 4 sample number. Edit it and click "Try It" to see the parsed result.
Cities and Regions
Locations served by the 4 area code, according to Google's libphonenumber.
- · Kamogawa, Chiba
- · Tokorozawa, Saitama
- · Kashiwa, Chiba
How to Dial Japan Numbers
From abroad
Dial +81 followed by the national number, dropping any leading 0.
Within Japan
Dial 0 before the local number to make a domestic call.
Dialing out of Japan
Dial 010 followed by the destination country code and number.
Nearby Japan Area Codes
Frequently Asked Questions
Where is the 4 area code?
└ The 4 area code covers Kamogawa, Chiba in Japan.
How do I dial a 4 number?
└ From abroad, dial +81 4 followed by the local number. Within Japan, dial 04 before the local number.