This phone number has been reported to belong to a market research company. It can probably be ignored.
Phone number 766 0330 with countrycode 372
originate from Valga in Estonia and it is a fixed line telephone number.
Estonia's isocodes are EE and EST.
When calling from abroad use either two zeros (00) or a plus sign (+) and then the country code before typing the number. Example: +372 7660330 or 00372 7660330.
This number is a valid existing number.