▁" I " ▁and ▁" 1 ") ▁and ▁" word - like " ▁codes . ▁ ▁Loc 8 ▁Code ▁allows ▁conversion ▁from ▁E irc odes ▁to ▁its ▁own ▁codes . ▁ ▁Open Post code ▁The ▁Open Post code ▁is ▁an ▁open - source ▁project ▁under ▁development ▁since ▁ 2 0 1 1 . ▁It ▁is ▁a ▁variable - length ▁al phan umeric ▁location ▁code ▁calculated ▁using ▁a ▁free ▁algorithm ▁from ▁latitude ▁and ▁longitude ▁to ▁an ▁accuracy ▁of ▁within ▁an ▁average ▁of ▁ 3 ▁metres ▁at ▁ 7 ▁characters . ▁An ▁optional ▁check sum ▁is ▁added . ▁It ▁is ▁currently ▁implemented ▁in ▁propriet ary ▁utility ▁company ▁systems . ▁A ▁proof ▁of ▁concept ▁website ▁and ▁Android ▁app ▁were ▁available . ▁An ▁equivalent ▁code ▁for ▁the ▁Mid land ▁Regional ▁Hospital ▁is ▁R K 3 P 5 ▁( the ▁exact ▁coordinates ▁as ▁listed ▁in ▁the ▁Ge o Directory ▁are ▁R K 3 P 5 J 5 J ). ▁ ▁Despite ▁its ▁name , ▁Open Post code ▁does ▁not ▁identify ▁a ▁postal ▁address , ▁or ▁provide ▁any ▁information ▁to ▁aid ▁routing ▁of ▁deliver ies . ▁It ▁codes ▁only ▁a ▁ge ographical ▁location , ▁and ▁thus ▁provides ▁no ▁ability ▁to ▁issue ▁different ▁codes ▁to ▁addresses ▁within ▁the ▁same ▁building , ▁for ▁example . ▁ ▁OP ▁grid ▁The ▁Irish ▁implementation ▁of ▁Open Post codes ▁uses ▁a ▁grid ▁extending ▁from ▁ 5 5 . 5 ° N ▁ 1 0 . 7 5 ° W ▁at ▁its ▁north ▁west ▁corner , ▁and ▁covering ▁the ▁whole ▁of ▁the ▁island ▁of ▁Ireland ▁and