2006-04-11 2011-11-01 Specification Required, Expert Review 0 - - language i-default 1 - A1 national subdivisions (state, canton, region, province, prefecture) - 2 - A2 county, parish, gun (JP), district (IN) - 3 - A3 city, township, shi (JP) - 4 - A4 city division, borough, city district, ward, chou (JP) - 5 - A5 neighborhood, block - 6 - A6 group of streets below the neighborhood level - 7-15 Unassigned 16 PRD PRD leading street direction N 17 POD POD trailing street suffix SW 18 STS STS street suffix or type Ave, Platz 19 HNO HNO house number 123 20 HNS HNS house number suffix A, 1/2 21 LMK LMK landmark or vanity address Columbia University 22 LOC LOC additional location information South Wing 23 NAM NAM name (residence and office occupant) Joe's Barbershop 24 ZIP PC postal/zip code 10027-1234 25 - BLD building (structure) Low Library 26 - UNIT unit (apartment, suite) Apt 42 27 - FLR floor 4 28 - ROOM room number 450F 29 - PLC type of place office 30 PCN PCN postal community name Leonia 31 - POBOX post office box (P.O. Box) 12345 32 - ADDCODE additional code 13203000003 33 - SEAT seat (desk, cubicle, workstation) WS 181 34 - RD Primary road or street Broadway 35 - RDSEC Road section 14 36 - RDBR Road branch Lane 7 37 - RDSUBBR Road sub-branch Alley 8 38 - PRM Street name pre-modifier Old 39 - POM Street name post-modifier Service 40-127 Unassigned 128 - - script Latn 129-254 Unassigned 255 Reserved