For calls to Köln-Porz please enter the dialling code 02203 and then the number of the person or household you want to reach.
|02203||Phone Code: Classic spelling|
|+492203||With german country code +49|
|+49(0)2203||With country code +49 and optional 0|
|00492203||With country code 0049|
|(02203)||Telephone code in brackets|
|02203-||With hyphen as separator to the phone number|
|02203/||With slash as a separator to the phone number|