One of the advantages for employees in a group health plan is the contribution most employers make toward the cost of the health coverage premium â in many cases, employers pay one-half or more of the monthly premium for an employee.
The basic format consists of five decimal numerical digits. An extended ZIP+4 code, introduced in 1983, includes the five digits of the ZIP code, a hyphen, and four additional digits that determine a more specific location within a given ZIP code. The USPS provides a free online lookup tool for ZIP codes.
Best Answer: Marketing Dictionary: ZIP code. Abbreviation for Zoning Improvement Plan code established by the U.S. Postal Service to identify numerically the destination of a mailing piece for easier sorting and dispatching. The original five-digit zip code has been expanded by four digits and is now called the ZIP + 4 code (see nine-digit zip code). Business Dictionary: Zip Code. Five-digit numerical code defined by the U.S. Postal Service to simplify and expedite mail distribution.