The 2-character number and/or letter to designate the floor of the building in which the asset or space is located Floors above ground are numbered upward (1-2-3, etc ); floors below ground are lettered downward (A-B-C, etc ) Mezzanines are designated "M" with the number of the floor just below (i e , "M1" means the mezzanine between floors 1 and 2)
Freephone and local rate Telecommunications services supplied on numbers commencing with the digits 180 (freephone) and 13 (local rate)