USPS state and territory abbreviation system
E352824
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.
All labels observed (8)
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.
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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.
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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 ⓘ United States territories ⓘ
surface form:
U.S. 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, United States ⓘ
surface form:
California
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
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: USPS state and territory abbreviation system Description of subject: 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.
Referenced by (8)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
USPS state abbreviations system
this entity surface form:
USPS state abbreviations
this entity surface form:
United States postal addressing standards
this entity surface form:
USPS state abbreviation standard
this entity surface form:
USPS state and territory abbreviations
this entity surface form:
United States Postal Service abbreviation system
this entity surface form:
USPS state abbreviation system