138 Area Code
Hakodate, Hokkaido · Japan
Country code +81 · ISO JP
Example 138 Number
A sample number from this area code, formatted three ways.
| National | International | E.164 |
|---|---|---|
| 0138-34-5678 | +81 138-34-5678 | +81138345678 |
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Pre-filled with a 138 sample number. Edit it and click "Try It" to see the parsed result.
Locations
Google's libphonenumber lists these locations for the 138 area code.
- · Hakodate, Hokkaido
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.
Frequently Asked Questions
Where is the 138 area code?
└ The 138 area code covers Hakodate, Hokkaido in Japan.
How do I dial a 138 number?
└ From abroad, dial +81 138 followed by the local number. Within Japan, dial 0138 before the local number.