The rural district was zip coded last spring to streamline emergency services.

The postal interns were zip coding thousands of returned forms before the holiday rush.

Researchers compared several Wolfram codes to see which produced the most complex cellular automata patterns.

During the communication exercise, the operators practiced sending messages using Wabun codes to ensure clarity under noisy conditions.

During the museum tour, the volunteer demonstrated several historical Morse codes and explained how they were used to send urgent messages.

The interns were dress-coded strictly during orientation week.

Every office dress-codes its staff to maintain a professional image.

The manager began dress-coding employees who repeatedly ignored the office attire policy.

During the audit, she found several RST codes that needed to be documented.

Restaurants must comply with local health codes to remain open and keep customers safe.