USPS state and territory abbreviation system

E352824

United States standard coding system postal addressing standard

The USPS state and territory abbreviation system is the standardized set of two-letter codes used by the United States Postal Service to identify states and territories for mail addressing and processing.

Try in SPARQL Jump to: Surface forms Disambiguation Statements Elicitation Referenced by

All labels observed (8)

Label	Occurrences
USPS state abbreviation standard	1
USPS state abbreviation system	1
USPS state abbreviations	1
USPS state abbreviations system	1
USPS state and territory abbreviation system canonical	1
USPS state and territory abbreviations	1
United States Postal Service abbreviation system	1
United States postal addressing standards	1

How this entity was disambiguated

This entity first appeared as the object of triple T3384986 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.

NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07

Target entity: USPS state and territory abbreviation system
Context triple: [PA, isPartOf, USPS state and territory abbreviation system]

A. USPS Address Management System
The USPS Address Management System is a United States Postal Service infrastructure and set of tools used to standardize, validate, and maintain accurate mailing addresses across the country.
B. United States Postal Service
The United States Postal Service is an independent agency of the U.S. federal government responsible for providing nationwide postal delivery and related mail services.
C. The Postal Service
The Postal Service is an American indie pop/electronic music project best known for its 2003 album "Give Up" and its collaboration between Ben Gibbard and producer Jimmy Tamborello.
D. Board of Governors of the United States Postal Service
The Board of Governors of the United States Postal Service is the independent governing body that sets policy, directs operations, and oversees the management and finances of the USPS.
E. Postal Regulatory Commission
The Postal Regulatory Commission is an independent U.S. federal agency that oversees and regulates the operations, rates, and service standards of the United States Postal Service.
F. None of above. chosen
G. Unsure - the case is ambiguous/there is not enough information to decide.

NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07

Target entity: USPS state and territory abbreviation system
Target entity description: The USPS state and territory abbreviation system is the standardized set of two-letter codes used by the United States Postal Service to identify states and territories for mail addressing and processing.

A. USPS Address Management System
The USPS Address Management System is a United States Postal Service infrastructure and set of tools used to standardize, validate, and maintain accurate mailing addresses across the country.
B. United States Postal Service
The United States Postal Service is an independent agency of the U.S. federal government responsible for providing nationwide postal delivery and related mail services.
C. The Postal Service
The Postal Service is an American indie pop/electronic music project best known for its 2003 album "Give Up" and its collaboration between Ben Gibbard and producer Jimmy Tamborello.
D. Board of Governors of the United States Postal Service
The Board of Governors of the United States Postal Service is the independent governing body that sets policy, directs operations, and oversees the management and finances of the USPS.
E. Postal Regulatory Commission
The Postal Regulatory Commission is an independent U.S. federal agency that oversees and regulates the operations, rates, and service standards of the United States Postal Service.
F. None of above. chosen

Statements (51)

Predicate	Object
instanceOf	United States standard ⓘ coding system ⓘ postal addressing standard ⓘ
appliesTo	District of Columbia ⓘ U.S. states ⓘ U.S. territories ⓘ linked to: United States territories
characterSet	Latin alphabet ⓘ
codeLength	2 letters ⓘ
country	United States of America ⓘ
dataType	alphanumeric code ⓘ
disallows	use of periods in abbreviations ⓘ
distinguishedFrom	traditional state name abbreviations used before standardization ⓘ
formatConstraint	two uppercase letters ⓘ
goal	improve mail sorting efficiency ⓘ reduce ambiguity in state names ⓘ standardize addressing across the United States ⓘ
includesCodeFor	Alabama ⓘ Alaska ⓘ American Samoa ⓘ Arizona ⓘ Arkansas ⓘ California ⓘ linked to: California, United States Colorado ⓘ Connecticut ⓘ Delaware ⓘ District of Columbia ⓘ Guam ⓘ Northern Mariana Islands ⓘ Puerto Rico ⓘ U.S. Virgin Islands ⓘ
influenced	ANSI INCITS 38 ⓘ FIPS state codes ⓘ many commercial address standards ⓘ
introducedFor	machine-readable mail processing ⓘ
maintainedBy	United States Postal Service ⓘ
primaryUse	mail addressing ⓘ mail processing ⓘ sorting automation ⓘ
relatedStandard	ISO 3166-2:US ⓘ
scope	50 U.S. states ⓘ District of Columbia ⓘ U.S. territories ⓘ
standardizedBy	United States Postal Service ⓘ
usedBy	federal government agencies ⓘ mapping and GIS systems ⓘ private businesses ⓘ state governments ⓘ
usedIn	United States postal addresses ⓘ address databases ⓘ mailing labels ⓘ return addresses ⓘ

How these facts were elicited