Antarctica Address Format With Examples

Antarctica is the southernmost continent on Earth, situated almost entirely within the Antarctic Circle. It surrounds the geographic South Pole and is bordered by the Southern Ocean on all sides. It is the fifth-largest continent, roughly twice the size of Australia. 

Antarctica has no countries and no recognized sovereign borders due to the Antarctic Treaty System (ATS), signed in 1959. This treaty designates the continent as a scientific preserve, bans military activity, and suspends territorial claims. Several nations have laid claims, but these are not universally recognized, and no official political borders exist.

Antarctica is unlike any other continent because it has no native population, no cities, and no standard national postal system. Instead, all postal services are operated by the countries that maintain research stations and bases there.

Each research station belongs to a country such as the UK, the US, Argentina, Chile, Australia, or New Zealand. When someone sends or receives mail in Antarctica, they must use the addressing style of the sponsoring country’s postal authority.

Unlike countries that use standardized postal codes, Antarctica has no continent-wide postal code system. Each nation assigns its postal codes or military APO/FPO codes, so the way an Antarctic address looks depends entirely on which country is managing that station. We will help you understand how different countries write address formats.

Antarctica Address Format Breakdown and Examples for Major Countries

United States

Mail to American Antarctic stations goes through the U.S. military postal system (APO/FPO). The address format is as follows. PSC refers to the Postal Service Center, and AP indicates the Armed Forces Pacific.

Format Example
Recipient Name  

P.O. Box Number 

PSC 469 Box Number  

APO AP Number

United States of America  

Dr. Emily Thompson  

P.O. Box 9876  

PSC 469 Box 4321  

APO AP 96599-6789  

United States of America 

United Kingdom

UK mail to Antarctica is routed through the Falkland Islands and has the following address format.

Format Example
Recipient Name  

Station Name 

British Antarctic Territory  

Via Falkland Islands  

Dr. Oliver Green  

Port Lockroy  

British Antarctic Territory  

Via Falkland Islands  

Argentina

Argentina treats its Antarctic bases as part of its national postal system and has the following address format.

Format Example
Recipient Name  

Base [Station Name]  

Antártida Argentina  

Postal Code  

Argentina  

Dr. Sofia Martinez  

Base Esperanza  

Antártida Argentina  

V9411AWJ  

Argentina  

Chile

Chile routes Antarctic mail through Punta Arenas and accepts the following address format.

Format Example
Recipient Name  

Base [Station Name]  

Antártica Chilena  

Chile

Dr. Alejandro Rojas  

Base Presidente Eduardo Frei  

Antártica Chilena  

Chile

Australia

Australian Antarctic mail is routed through Hobart, Tasmania, and has the following address format.

Format Example
Recipient Name  

Australian Antarctic Division  

Station Name, Antarctica  

Australian Antarctic Division’s Headquarters

Australia

Dr. Lucas Turner  

Australian Antarctic Division  

Casey Station, Antarctica  

Channel Highway, Kingston TAS 7050  

Australia

Postal Information

No. of Administrative Areas 0
Administrative Area Names and Their Abbreviations Not Applicable
Postal Language No official postal language.
Postal Service Provider No independent postal authority.

Country Information

Country/Territory Name Antarctica
Capital No capital
Major Research Stations McMurdo Station

Amundsen-Scott South Pole Station

Esperanza Base

Villa Las Estrellas

Endonym Antarctica
ISO Codes ISO 3166-1 numeric code: 010

ISO 3166-1 alpha-2 country code: AQ

ISO 3166-1 alpha-3 country code: ATA

ISO3: ATA

Population Information

Total Population No permanent population, but it typically hosts 1000-1500 scientists depending upon the season.
Urban Population 0
Rural Population 0
Official Language No official language.
Commonly Spoken Languages English

Russian

Spanish

PostGrid's Address Verification Solution

You have learned how to structure the address format for a recipient in Antarctica. However, you need a verified address to ensure your address reaches the intended recipient. The PostGrid Address Verification solution verifies, standardizes, and offers real-time address autocomplete suggestions. Whether you want to verify a single or bulk address, we provide correct, complete, and up-to-date addresses in sync with the official postal service provider for over 245 countries and territories. 

Check the Format of More Countries

If you are curious about the format of any other country, visit our global address format page and learn the format followed in countries across the world.

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