For calls to Ulm (Donau) please enter the dialling code 0731 and then the number of the person or household you want to reach.
|0731||Phone Code: Classic spelling|
|+49731||With german country code +49|
|+49(0)731||With country code +49 and optional 0|
|0049731||With country code 0049|
|(0731)||Telephone code in brackets|
|0731-||With hyphen as separator to the phone number|
|0731/||With slash as a separator to the phone number|