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.
The final two digits incorporate the old Zone number. So, suppose you live at or near Syracuse University in Syracuse, NY. Your ZIP Code is 13210. Or, 1 New York, 32 SCF-Syracuse and 10 University postal station.