īy the early 1960s, a more organized system was needed, and non-mandatory five-digit ZIP Codes were introduced nationwide on July 1, 1963.

The '16' is the number of the postal zone in a specific city. Postmaster General Frank Walker explained that many experienced postal clerks were going into the army, and the zone system would enable inexperienced clerks to sort mail without having to learn the delivery area of each city carrier. The United States Post Office Department (USPOD) implemented postal zones for 178 large cities in May 1943. The early history and context of postal codes began with postal district/zone numbers. ZIP A label inside a stamp booklet promoting the ZIP Code Swingin' Six video used by the post office to promote the ZIP Code History Early history and five-digit ZIP Codes A 1963 U.S. The term ZIP Code was originally registered as a service mark by the USPS its registration expired in 1997. The term ZIP is an acronym for Zone Improvement Plan it was chosen to suggest that the mail travels more efficiently and quickly ( zipping along) when senders use the code in the postal address. In 1983, an extended ZIP+4 code was introduced it included the five digits of the ZIP Code, followed by a hyphen and four digits that designated a more specific location.

Introduced on July 1, 1963, the basic format consisted of five digits.

For postal codes outside the United States, see Postal code.Ī 1974 postage stamp encouraging people to use the ZIP Code on letters and parcelsĪ ZIP Code is a system of postal codes used by the United States Postal Service (USPS). The Planning Comission meets on the last Monday of each month, beginning at 7:30pm unless there is no business to be conducted.

All Township meetings will be conducted with strict adherence to the most recent CDC and PA DOH guidance. Generally, the Township Board of Supervisors meets regularly each month on the first Tuesday beginning at 7:30 pm, absent unusual circumstances.

Abington township zoning map