It isn't. The ISO-3166-1 country codes for Turks & Caicos are TC and TCA.
UM and UMI are the codes for the U.S. Minor Outlying Islands, which have no permanent residents.
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This is the area code for the Turks and Caicos islands in the West Indies.
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what is the zip code of Turks and caicos what is the zip code of Turks and caicos
The Turks and Caicos Islands are part of the North American Numbering Plan, telephone country code +1, along with the USA, Canada, and some other islands. Turks and Caicos use area code +1 649.Calls from the US and other NANP locations to Turks and Caicos are dialed "one plus," just like domestic long-distance calls, but international rates will apply.(The plus sign means "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The airport code for South Caicos Airport is XSC.
The airport code for Middle Caicos Airport is MDS.
The airport code for North Caicos Airport is NCA.
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Suriname's abbreviation is SR. This abbreviation is used in Suriname's world airport code. It also is the Internet country-code top-level domain [ccTLD].
DE is the abbreviation of Germany. SUI is FIFA Country Code for Switzerland.