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As a result, some addresses end up with a ZCTA code that is different from their ZIP code. ZCTAs are not developed for ZIP codes that comprise only a small number of addresses. [3] Several ZCTAs represent ZIPs that no longer exist due to realignment by the USPS. There are approximately 42,000 ZIP Codes and 32,000 ZCTAs.
ZCTAs or ZIP Code Tabulation Areas are the census equivalent of ZIP codes used for statistical purposes. The reason why regular ZIP codes are not used is because they are defined by routes rather than geographic boundaries. Thus, they have the tendency to overlap and otherwise create difficulties.
ZIP Code Tabulation Areas (ZCTA) are quasi-statistical areas which attempt to approximate, but do not exactly match, the delivery areas of USPS ZIP codes. [1] ZIP codes are not truly areas, but rather a group of deliverable addresses. [2] Some or all of an existing ZIP code's addresses may be reassigned to a new ZIP if there is sufficient ...
A map of the 5 digit ZIP Code Tabulation Areas in Virginia. David Benbennick made this map. The map uses the Census 2000 5-Digit ZIP Code Tabulation Areas, specifically zt51_d00_shp.zip. The map uses azimuthal equidistant projection, centered on (-78.68, 37.53). The map is in hectometers (tenths of a kilometer).
Address geocoding, or simply geocoding, is the process of taking a text-based description of a location, such as an address or the name of a place, and returning geographic coordinates, frequently latitude/longitude pair, to identify a location on the Earth's surface. [1]
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.
ZIP Code (ZCTA) Per capita income Median household income Median family income Population Number of households Norfolk County: $44,692 $84,916 $108,943 677,296 257,451 1
As of the 2000 census, the United States did not define a census-designated place called Antelope, but it did define a Zip Code Tabulation Area (ZCTA), 95843. Because Antelope is contained within this ZCTA, it is possible to obtain Census data from the United States 2000 Census for the area even though data for "Antelope" is unavailable.