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Phone number 01 77 68 51 77 with countrycode 33
originate from Nanterre in France and it is a fixed line telephone number.
France's isocodes are FR and FRA.
When calling from abroad use either two zeros (00) or a plus sign (+) and then the country code before typing the number. Example: +33 177685177 or 0033 177685177.
This number is a valid existing number.