Germany · DEU
Giessen dialing code
Giessen · Giessen
Dialing code
+49 641
From abroad
+49 641 123-4567
Dial +49, then the city code 641, then the phone number without the leading zero.
Within the country
0641 123-4567
Dial 0641 followed by the phone number.
How to call Giessen?
To call Giessen in Germany from abroad, dial the international code +49, followed by the city code 641, then the local number without the leading zero.