SF

E1413

postal abbreviation two-letter abbreviation

SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.

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All labels observed (1)

Label	Occurrences
SF canonical	5

How this entity was disambiguated

This entity first appeared as the object of triple T11876 — 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: SF
Context triple: [San Francisco, postalAbbreviation, SF]

A. Sununu
Sununu is a prominent American political family name most notably associated with former New Hampshire Governor and White House Chief of Staff John H. Sununu and his son, Governor Chris Sununu.
B. Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
C. HUP
HUP is a major academic medical center in Philadelphia that serves as the flagship teaching hospital of the University of Pennsylvania's health system.
D. Lee
Lee is a given name shared by numerous individuals across different cultures and professions.
E. AFC
The AFC (American Football Conference) is one of the two conferences that make up the National Football League, comprising 16 teams that compete for a spot in the Super Bowl.
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: SF
Target entity description: SF is the standard two-letter postal abbreviation used to represent the city of San Francisco, California.

A. Sununu
Sununu is a prominent American political family name most notably associated with former New Hampshire Governor and White House Chief of Staff John H. Sununu and his son, Governor Chris Sununu.
B. Blitz
The Blitz was the sustained German bombing campaign against the United Kingdom, particularly London, during 1940–1941 in World War II.
C. HUP
HUP is a major academic medical center in Philadelphia that serves as the flagship teaching hospital of the University of Pennsylvania's health system.
D. Lee
Lee is a given name shared by numerous individuals across different cultures and professions.
E. AFC
The AFC (American Football Conference) is one of the two conferences that make up the National Football League, comprising 16 teams that compete for a spot in the Super Bowl.
F. None of above. chosen

Statements (25)

Predicate	Object
instanceOf	postal abbreviation ⓘ two-letter abbreviation ⓘ
abbreviationFor	San Francisco ⓘ
associatedWith	Bay Area ⓘ linked to: San Francisco Bay Area Northern California ⓘ
cityType	consolidated city-county ⓘ
context	US postal system ⓘ linked to: United States Postal Service geographic addressing ⓘ
country	United States ⓘ linked to: United States of America
firstLetter	S ⓘ
language	English ⓘ
letterCount	2 ⓘ
notToBeConfusedWith	CA (California state postal abbreviation) ⓘ
refersTo	San Francisco ⓘ San Francisco, California ⓘ linked to: San Francisco
regionCodeType	city code ⓘ
secondLetter	F ⓘ
shortFormOf	San Francisco ⓘ
state	California ⓘ linked to: California, United States
usedBy	businesses in San Francisco ⓘ residents of San Francisco ⓘ tourism industry referring to San Francisco ⓘ
usedFor	informal shorthand for San Francisco ⓘ mailing addresses ⓘ
usedIn	United States Postal Service addressing ⓘ linked to: United States Postal Service