noun
former address; previous address
Used when referring to an address where one lived before moving. Common in official forms and personal records.
引っ越しの書類に前住所を記入してください。
Please fill in your former address on the moving documents.
前住所は東京都新宿区でした。
My previous address was in Shinjuku, Tokyo.
住所 is the general word for 'address', while 前住所 specifically means 'former address'.
Compound of 前 (ぜん, 'previous') and 住所 (じゅうしょ, 'address').