(banking, UK, Ireland) A code assigned to a specific branch of a bank.

(US) A postal code, especially for addresses served by the US Postal Service, consisting of a five- or nine-figure number. / (US, by extension) Any postal code.

(transitive) To provide with, or allocate to, a zip code.

A formal specification of acceptable attire for a specific event or location.

(telecommunications) A character code represented by dots and dashes (or short and long pulses), originally used to send messages by telegraph, later by flashes of light or by radio.

A set of rules dictating acceptable behaviour and decisions in a specified environment.

(programming) Overly structured program source code, with many small sections, functions etc that should be combined.

(programming, informal, derogatory) Unstructured or poorly structured program source code; especially code with many GOTO statements (or their equivalent).

A short alphabetic or numeric geographical code representing a specific country or area.

Uncommon form of zip code.