04003 area code — Taichung/Changhua
04003 is the telephone area code for Taichung/Changhua in Taiwan. Numbers are written internationally as +886 4003.
How to call Taichung/Changhua
- From abroad
- +886 4003 XXX XXXX
- Within Taiwan
- 04003 XXX XXXX
- Country calling code
- +886
About the 04003 area code
Dialed within Taiwan as 04003, this code is written internationally as +886 4003 followed by the subscriber's local number.
Area codes like 04003 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 Taiwan number. To actually receive an SMS on a Taiwan number, a temporary or virtual line does the job without exposing your own SIM.
Frequently asked questions
What area code is Taichung/Changhua?
Taichung/Changhua uses the area code 04003, written internationally as +886 4003.
How do I call Taichung/Changhua from another country?
Dial your international access code, then +886 4003, then the local number — dropping the national leading 0.
What time is it in Taichung/Changhua?
Taichung/Changhua is in the Asia/Taipei time zone; the live clock above shows the current local time.
Is 04003 a mobile or a landline code?
04003 is a geographic (landline) area code for Taichung/Changhua. Mobile numbers in Taiwan use their own separate prefixes.