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On the US Census Website there is a list of American National Standards Institute (ANSI) Codes for States, the District of Columbia, Puerto Rico, and the Island Insular Areas of the United States?

The first three rows of the table read:

Alabama         01    AL
Alaska          02    AK
Arizona         04    AZ
...
Wyoming         56    WY

There are other holes as well.

What happened to code #3?

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  • 1
    American Samoa at a guess? – Ian Turton♦ Jun 11 '18 at 15:15
  • If this is open data your question may be suitable for the Open Data Stack Exchange. – PolyGeo♦ Jun 11 '18 at 17:42
  • It's actually a question about geocoding and the ANSI/FIPS codes. – vy32 Jun 11 '18 at 18:14
3

From the wikipedia page: ...certain numeric codes "are reserved for possible future use in identifying American Samoa (03), Canal Zone (07), Guam (14), Puerto Rico (43), and Virgin Islands (52)" https://en.wikipedia.org/wiki/Federal_Information_Processing_Standard_state_code

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