Object
A real world entity associated with land and property.
OD file (Operational District Data file)
A data file giving details of all operating organisations in a given area.
Official Address
A combination of name or number in the LPI and associated Street Name that is officially approved by the SNN Authority.
Operational District
An area of a Street Authority allocated for Street Works.
OPT (Optional)
A Field which may be completed.
Organisation Name
Defined in the current GeoPlace DEC-Addresses as: the name on the fascia of a building
OWPA (Object without a Postal Address)
An Object such as recreation ground, open space, public convenience, church or car park that does not receive mail but needs to be recorded within an LLPG.
Ordnance Survey
Ordnance Survey Limited, a company wholly owned by government.