Paste your CSV exported from Ecwid here. Include only the shipping address column during export, or if you're doing this manually (why???), add one header row of
shipto_person_name shipto_person_street_1 shipto_person_street_2 shipto_person_city shipto_person_country_code shipto_person_postal_code shipto_person_state_code shipto_person_country_name shipto_person_state_name shipto_person_phoneand then data rows underneath.