Top of the address (4)

I believe the answer is:

head

'top' is the definition.
(head is a kind of top)

'of the address' is the wordplay.
'of' says the answer is hidden in the clue.
'HEAD' is hidden within 'the address'.

(Other definitions for head that I've seen before include "Chief; promontory" , "''and still the wonder grew / That one small ... could carry all he knew'' (Goldsmith)" , "School boss" , "bean" , "Leader; promontory" .)

I've seen this clue in The Mirror.

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