Translation of Japanese address

Hello,
I'm trying to send a mail package to my cousin who's in Japan studying the language...could someone help translate his address? Thank you so much!
–kŠC“¹ŽD–yŽs”’�΋æ–k‹½ X �ð X ’š–ÚX°XX ”ÔƒRƒ“ƒtƒH�[ƒg”’�Î XXXXXXX �†Žº

x Comfort Shiroishi
xchome - x bango
Shiroishi-ku, Sapporo-shi
Hokkaido
BTW the zip code is 003-849

–kŠC“¹(Hokkaido)ŽD–yŽs(Sapporo city)”’�΋æ(shiraishi ku)–k‹½ (kita other kanji i dont know)X �ð X ’š–Ú(chome)X°XX ”ÔƒRƒ“ƒtƒH�[ƒg(confoto or comfort no.)”’�Î (shira ishi)XXXXXXX �†Žº( room no.)

–kŠC“¹(Hokkaido)ŽD–yŽs(Sapporo city)”’�΋æ(shiraishi ku)–k‹½ (kita other kanji i dont know)X �ð X ’š–Ú(chome)X°XX ”ÔƒRƒ“ƒtƒH�[ƒg(confoto or comfort no.)”’�Î (shira ishi)XXXXXXX �†Žº( room no.)

–kŠC“¹ŽD–yŽs”’�΋æ–k‹½ A �ð B ’š–ÚC-D ”Ô
ƒRƒ“ƒtƒH�[ƒg”’�Î E �†Žº

Room No.(E), Comfort Shiroishi
Kitago(A)jo (B) chome (C-D) banchi
Shiroishi-ku, Sapporo-shi
Hokkaido

(A) is a part of the area name...
and they say that zip code(yubin-bango) are from 003-0831 to 003-0840 according to (A).
http://www.post.japanpost.jp/cgi-zip/zipcode.php?pref=1&city=1011040

Thank you all for the help!! Now, my cousin can get his belated birthday gift in the mail :D