• Organization: Office of Personnel Management
• Updated: 2023

File sent by USPS to OPM Mainframe for actuarial purposes

• Organization: Department of Homeland Security
• Updated: 2022-10-24T12:14:41-04:00

Homeland Infrastructure Foundation-Level Data (HIFLD) geospatial data sets containing information on USPS Facilities.

• Organization: Office of Personnel Management
• Updated: 2023

File sent by USPS to OPM ROVR vis sFTP for Postal Service Reform Act (PSRA)

• Organization: National Aeronautics and Space Administration
• Updated: 2026-02-10

The SPURS (Salinity Processes in the Upper Ocean Regional Study) project is a NASA-funded oceanographic process study and associated field program that aim to elucidate key mechanisms responsible...

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• pdf
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• Organization: City of Austin
• Updated: 2025-12-01

The City of Austin provides this zip code dataset for general use, designed to support a variety of research and analysis needs. Please note that while we facilitate access to this data, the...

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• rdf
• xml
• csv

• Organization: State of Iowa
• Updated: 2023-08-30

ZIP Code Tabulation Areas (ZCTAs) are generalized representations of United States Postal Service (USPS) ZIP Code service areas. The USPS ZIP Codes identify the individual post office or...

• json
• rdf
• xml
• csv

• Organization: State of Iowa
• Updated: 2023-08-30

This dataset contains ZIP Code Tabulation Areas (ZCTAs) for Iowa and surrounding areas. ZCTAs are generalized representations of United States Postal Service (USPS) ZIP Code service areas. The...

• json
• rdf
• xml
• csv

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2014-01-01T00:00:00.000+00:00

ZIP Code Tabulation Areas (ZCTAs) are approximate area representations of U.S. Postal Service (USPS) ZIP Code service areas that the Census Bureau creates to present statistical...

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• Organization: Montgomery County of Maryland
• Updated: 2022-08-01

This dataset contains the mailing address of all businesses that operate in Montgomery County. Zip codes are the postal delivery areas defined by USPS. Zip codes with mailboxes only are not...

• json
• rdf
• xml
• csv

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2021-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2018-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2025-10-01T00:00:00.000+00:00

This is a series-level metadata record. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2025-10-01T00:00:00.000+00:00

This resource is a member of a series. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2024-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2017-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2015-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File /...

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• html
• none
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• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2020-07-13T00:00:00.000+00:00

The 2019 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically Integrated Geographic Encoding and...

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• html

• Organization: Montgomery County of Maryland
• Updated: 2022-08-01

This dataset contains the mailing address of all businesses that operate in Montgomery County. Zip codes are the postal delivery areas defined by USPS. Zip codes with mailboxes only are not...

• json
• rdf
• xml
• csv

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2023-10-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / Topologically...

• none

• Organization: U.S. Census Bureau, Department of Commerce
• Updated: 2013-01-01T00:00:00.000+00:00

The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master Address File / ...

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