Section 4. International Location Identifiers
- USE OF LOCATION INDICATORS
An international location indicator is a four-letter code used in international telecommunications. The location indicator for airports in the contiguous United States is the three-letter identifier preceded by “K”. For other non-contiguous United States airports, the following two letter prefix will be used:
Alaska - PA, PF, PO, PP
Hawaii - PH
Puerto Rico - TJ
Virgin Islands - TI
(See ICAO Document 7910 for listings.)
- REQUESTS OR ASSIGNMENTS OF LOCATION INDICATORS
Send requests for international location indicator assignments as follows:
- Within the United States and its jurisdictions to: Aeronautical Information Services (AIS), Federal Aviation Administration, Washington, DC 20591.
- From other States (nations) and Territories to: the appropriate agency within the State or Territory for coordination with ICAO.