Codes
Listings (3)
The official USPS ZIP Code Lookup tool allows users to find ZIP codes by address or city, and look up delivery information for any location in the United States.
The ISO 3166 standard provides authoritative two-letter, three-letter, and numeric codes for countries and territories worldwide, maintained by the International Organization for Standardization.
HTML Color Codes is a comprehensive reference for web designers, providing color pickers, hex codes, RGB values, and color name charts for use in web and graphic design.