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There are generally two widely accepted versions of a postal code: a ZIP code and a ZIP + 4 code. Established in 1963, ZIP codes are the most common and recognizable postal code used by the USPS.
In 1983, the U.S. Postal Service introduced an expanded ZIP Code system that it named ZIP+4, often known as "plus-four codes", "add-on codes", or "add-ons". A ZIP+4 Code uses the basic five-digit code plus four additional digits to identify a geographic segment within the five-digit delivery area, such as a city block, a group of apartments, an ...
Clickable map of Arizona area codes in blue (and border states) The U.S. state of Arizona is served by five telephone area codes in three numbering plan areas: Area codes 602, 480, and 623 serve the Phoenix metropolitan area. The three area codes were recombined in 2023 into an overlay complex after a 1999 split:
The U.S. Postal Service had been providing a premium level "air mail" service since the introduction of regular air transportation. As air transportation reliability improved and cost per ounce of mail decreased, it began to make financial sense to transport larger quantities of mail via intercontinental airlines rather than ship, and interstate via the old airmail routes rather than via train.
Arlington is an unincorporated community and census-designated place (CDP) in Maricopa County, Arizona, United States, located 43 miles (69 km) west of downtown Phoenix on old U.S 80. It follows the street numbering system of Phoenix. As of the 2020 census, the population was 150, [3] down from 194 at the 2010 census.
Chambers is an unincorporated community in Apache County, Arizona, United States. [1] Chambers is located at the junction of Interstate 40 and U.S. Route 191, 45 miles (72 km) northeast of Holbrook. Chambers has a post office with ZIP code 86502. [2]
Clickable map of Arizona area codes in blue (and border states) with area code 520 shown in red. Area code 520 is a telephone area code in the North American Numbering Plan (NANP) for the U.S. state of Arizona. The numbering plan area comprises Tucson and most of the southeastern part of the state.
Arizona City is an unincorporated census-designated place (CDP) in southwestern Pinal County, Arizona, United States. It is located near the junction of Interstate 8 and Interstate 10 at the midpoint between Phoenix and Tucson , approximately 60 miles (97 km) from the downtown of both cities.