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  2. ZIP Code - Wikipedia

    en.wikipedia.org/wiki/ZIP_Code

    A 1974 postage stamp encouraging people to use the ZIP Code on letters and parcels. A ZIP Code (an acronym for Zone Improvement Plan [1]) is a system of postal codes used by the United States Postal Service (USPS).

  3. List of postal codes - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes

    United States Minor Outlying Islands: UM: 96898 Mostly uninhabited. There is only one postal code in use, 96898 Wake Island. Uruguay: UY: NNNNN U.S. Virgin Islands: 1 July 1963 VI: NNNNN, NNNNN-NNNN U.S. ZIP codes. Range 00801–00851. Uzbekistan: 13 May 2005 UZ: NNNNNN [30] Vanuatu: VU: no codes Vatican: VA: 00120 Single code used for all ...

  4. List of highest-income ZIP Code Tabulation Areas in the ...

    en.wikipedia.org/wiki/List_of_highest-income_ZIP...

    The following is a list of the highest-income ZCTAs in the United States. 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.

  5. This Is What Your ZIP Code Actually Means - AOL

    www.aol.com/zip-code-actually-means-235400396.html

    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.

  6. List of U.S. state and territory abbreviations - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_and...

    ISO 3166-2:US is the entry for the United States in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1.

  7. List of lowest-income places in the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_lowest-income...

    According to the United States Census Bureau, the following are the places in the United States with the lowest median household income. Locations with populations from the 2013—2017 American Community Survey are ranked by median household income — the median household income figures are also from the 2013—2017 American Community Survey ...

  8. Federal Information Processing Standard state code - Wikipedia

    en.wikipedia.org/wiki/Federal_Information...

    The FCC assigned additional numeric codes used with the EAS for territorial waters of the U.S., but these were not part of the FIPS standard. The FIPS state alpha code for each U.S. states and the District of Columbia are identical to the postal abbreviations by the United States Postal Service. From September 3, 1987, the same was true of the ...

  9. Postal code - Wikipedia

    en.wikipedia.org/wiki/Postal_code

    The name of US postal codes, "ZIP Codes", reflects this evolutionary growth from a zone plan to a zone improvement plan, "ZIP". Modern postal codes were first introduced in the Ukrainian Soviet Socialist Republic in December 1932, [ 4 ] but the system was abandoned in 1939.