The results are transmitted back to a modified barcode sorter, which pulls the 11-digit zip code information for that item, and sprays the correct barcode on the front of the envelope the mail then can be sorted within the automated mailstream. A zip code is a numbering system with separate code numbers for all cities in the united states on april 30, 1963, postmaster general john a gronouski announced that the zip code would begin on july 1, 1963. Quick answer non-mandatory zip codes were introduced to the united states in 1963 robert moon, a postal inspector with the united states postal service, proposed the zip code system as early as 1944. Non-mandatory zip codes were introduced to the united states in 1963 robert moon, a postal inspector with the united states postal service, proposed the zip code system as early as 1944 the united states postal service began using two-digit area codes in 1943 in order to define postal zones in.
The postal code system used in the united states of america is called zip code zip is abbreviation from zone improvement program us zip codes were introduced in 1963 to improve mail delivery, make it more efficiently, quickly and simplify it.
The zip (zoning improvement plan) code was created when the postal service lost a huge portion of their staff who went to fight in the war because of this, they needed a simple way to help the. Zip code during world war ii, thousands of experienced postal employees left to serve with the military to offset the loss, in may 1943 the post office department began a zoning address system in 124 of the largest cities.
Significant years in us postal history 1966 postal savings system terminated 1967 presorting by zip code became mandatory for second- and third-class mailers 1968 priority mail established as a subclass of first-class mail 1969 patronage eliminated in postmaster and rural carrier appointments.
The zone system was put in place to make things easier zip codes - by 1963, most of first-class mail in the united states was generated by a small number of large-volume mailers, so the post office department devised a plan to speed handling and delivery of letter mail.
Zip codes are a system of postal codes used by the united states postal service (usps) since 1963 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 the basic format consists of five digits. The basic format consists of five digits an extended zip+4 code was introduced in 1983 which includes the five digits of the zip code, followed by a hyphen and four additional digits that reference a more specific location the term zip code was originally registered as a servicemark by the us postal service, but its registration has since expired.
The area code system was developed by at&t and bell laboratories in the 1940's, and went into effect in 1947 it was called the north american numbering plan (nanp) and included the united states and canada. Area code history when did area codes first come into use the area code system was developed by at&t and bell laboratories in the 1940's, and went into effect in 1947.