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Phone number 01 5566 403 with countrycode 385
originate from Zagreb in Croatia and it is a fixed line telephone number.
Croatia's isocodes are HR and HRV.
When calling from abroad use either two zeros (00) or a plus sign (+) and then the country code before typing the number. Example: +385 15566403 or 00385 15566403.
This number is a valid existing number.