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.
Numerical suffixes continue to 9 (with B9 being the Medicare number suffix for a third husband). The spouseâs or ex-spouseâs Social Security Number will be the first nine numbers for anyone with the suffix code in the âBâ category. Code C â this category applies to child Medicare beneficiaries.