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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 ...
An asterisk (*) indicates that the listed place name is the "default" place name for all addresses in the prefix, that is, that addresses for all ZIP codes beginning with that three-digit prefix will have that place name in the city portion of the address (example: 23219, 23224, and 23294 will all have "Richmond, Virginia" addresses, even if ...
Postal codes in Puerto Rico, a United States commonwealth, are part of the United States ZIP code system. Puerto Rico is allocated the ZIP codes 00600 to 00799 and 00900 to 00999; the 008xx codes are allocated to the nearby United States Virgin Islands. Both Puerto Rico and the U.S. Virgin Islands are served from the sectional center facility ...
Open Location Code. The Open Location Code ( OLC) is a geocode based in a system of regular grids for identifying an area anywhere on the Earth. [1] It was developed at Google's Zürich engineering office, [2] and released late October 2014. [3] Location codes created by the OLC system are referred to as " plus codes ".
ZIP Code Tabulation Area. ZIP Code Tabulation Areas ( ZCTAs) are statistical entities developed by the United States Census Bureau for tabulating summary statistics. These were introduced with the Census 2000 and continued with the 2010 Census and 5 year American Community Survey [1] datasets. This new entity was developed to overcome the ...
Sitka, City and Borough of [a] [f] 02230 Skagway, Municipality of [a] 02240 Southeast Fairbanks Census Area [b] 02275 Wrangell, City and Borough of [a] 02282 Yakutat, City and Borough of [a] [g] 02290 Yukon–Koyukuk Census Area [b] 60010 Eastern District [2] American Samoa: 60020 Manu'a District [2] 60030 Rose Atoll (Rose Island) [2] 60040 ...
The United States Office of Management and Budget (OMB) has defined 925 core-based statistical areas (CBSAs) for the United States and 10 for Puerto Rico. [1] The OMB defines a core-based statistical area as one or more adjacent counties or county equivalents that have at least one urban core area of at least 10,000 population, plus adjacent territory that has a high degree of social and ...
Map of locations by per capita income. Areas with higher levels of income are shaded darker. Massachusetts is the second wealthiest state in the United States of America, with a median household income of $89,026 (as of 2021), [1] and a per capita income of $48,617 (as of 2021). [2]