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Phone number 0231 7257820 with countrycode 49
originate from Dortmund in Germany and it is a fixed line telephone number.
Germany's isocodes are DE and DEU.
When calling from abroad use either two zeros (00) or a plus sign (+) and then the country code before typing the number. Example: +49 2317257820 or 0049 2317257820.
This number is a valid existing number.