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.