postcode

As an adjective postal

is relating to the collection, sorting and delivery of mail.

As a noun postcode is

(uk|australia|nz) a sequence of letters and numbers added to a postal address to aid the sorting and delivery of post / mail.

As a verb postcode is

(uk) to give a postcode to; to mark with a postcode.

As nouns the difference between zipcode and postcode

is that zipcode is while postcode is (uk|australia|nz) a sequence of letters and numbers added to a postal address to aid the sorting and delivery of post / mail.

As a verb postcode is

(uk) to give a postcode to; to mark with a postcode.

In uk|lang=en terms the difference between postcode and postcoded

is that postcode is (uk) to give a postcode to; to mark with a postcode while postcoded is (uk) having a postcode.

As verbs the difference between postcode and postcoded

is that postcode is (uk) to give a postcode to; to mark with a postcode while postcoded is (postcode).

As a noun postcode

is (uk|australia|nz) a sequence of letters and numbers added to a postal address to aid the sorting and delivery of post / mail.

As an adjective postcoded is

(uk) having a postcode.