1 7 0 2 4 ▁Z IP ▁code ▁( both ▁town ▁names ▁remain ▁valid ▁addresses , ▁however ). ▁The ▁ 1 7 0 3 1 ▁Z IP ▁code ▁was ▁not ▁officially ▁retired ▁by ▁the ▁U . S . ▁Post al ▁Service ▁until ▁Oct . ▁ 1 9 , ▁ 2 0 0 2 . ▁ ▁Prior ▁to ▁the ▁July ▁ 1 , ▁ 1 9 6 4 , ▁cons olid ation ▁of ▁Green ▁Park ▁Union ▁and ▁two ▁other ▁Perry ▁County ▁school ▁systems ▁into ▁the ▁West ▁Perry ▁School ▁District , ▁West ▁Perry ▁High ▁School ▁served ▁as ▁Green ▁Park ▁Union ▁High ▁School . ▁Green ▁and ▁white ▁were ▁selected ▁as ▁West ▁Perry ’ s ▁colors ▁because ▁at ▁the ▁time ▁of ▁the ▁cons olid ation , ▁Green ▁Park ▁Union ▁( wh ose ▁colors ▁were ▁green ▁and ▁white ) ▁had ▁just ▁purchased ▁new ▁band ▁uniform s ▁and ▁the ▁district ▁did ▁not ▁want ▁to ▁replace ▁them . ▁( Green ▁Park ▁Union ' s ▁mas cot ▁was ▁the ▁Green ▁Hor net s .) ▁The ▁current ▁West ▁Perry ▁Middle ▁School ▁opened ▁in ▁ 1 9 6 7 ▁as ▁Green ▁Park ▁Element ary ; ▁a ▁transfer ▁of ▁functions ▁with ▁the ▁old ▁middle ▁school ▁( now ▁New ▁Blo om field ▁Element ary ) ▁took ▁place ▁with ▁the ▁ 2 0 0 3 - 2 0 0 4 ▁academic ▁year . ▁ ▁Resources ▁▁ 1 . ▁History ▁of ▁Perry ▁County , ▁Pennsylvania : ▁In cluding ▁Descri ptions ▁of ▁Indians ▁and ▁P ione er ▁Life ▁from ▁the ▁Time ▁of ▁Ear liest ▁S ett lement ▁(