Antigua & Barbuda Flag SVGAntigua & Barbuda Country Codes

Discover Antigua & Barbuda country codes including ISO codes, dialing codes, TLD, currency codes, time zones, neighboring countries, Map and more.

Antigua & Barbuda, formally known as Antigua and Barbuda, is situated in Latin America and the Caribbean, a subregion of the region Americas. Its capital city is St. John's. Antigua & Barbuda is identified by various country codes. The ISO 3166-1-Alpha-2 code, commonly referred to as the 2-letter country code for Antigua & Barbuda, is AG, while the ISO 3166-1-Alpha-3 code, known as the 3-letter country code, is ATG. Similarly, the ISO 3166-1 numeric code for Antigua & Barbuda is 28. When connecting via phone, the dialing code for Antigua & Barbuda is +1-268, which is essential for initiating calls to phone numbers in Antigua & Barbuda. Online, websites in Antigua & Barbuda are distinguished by the top-level domain (TLD) .ag, indicating their geographic origin. The currency utilized in Antigua & Barbuda is the East Caribbean Dollar, denoted by the currency alphabetic code XCD. Commonly known as the East Caribbean Dollar, it is the primary currency for transactions within the country.

For a comprehensive reference encompassing major country codes, currency codes, and timezones relevant to Antigua & Barbuda, please refer the tables below:

Country details

Formal nameAntigua and Barbuda
CapitalSt. John's
Sub regionLatin America and the Caribbean

ISO Codes

ISO 3166-1 Alpha-2AG
ISO 3166-1 Alpha-3ATG
ISO 3166-1 Numeric28

Dialing Code

Dialing code+1-268

Other Country Codes

Top Level
License plate code-
UN m49 code28
GAUL code11
MARC codeaq
WMO codeAT
EDGAR codeB9
GS1 GTIN code-

Currency Codes

CurencyAlphabetic codeNumeric code
East Caribbean DollarXCD951


TimezoneOffset UTCOffset DSTTime
America / Antigua−04:00−04:00
America / Puerto_Rico−04:00−04:00

ISO 3166-2 Codes

Subdivision nameSubdivision categoryISO Code
Saint GeorgeparishAG-03
Saint JohnparishAG-04
Saint MaryparishAG-05
Saint PaulparishAG-06
Saint PeterparishAG-07
Saint PhilipparishAG-08


Helpful Resources


Antigua & Barbuda is situated in Latin America and the Caribbean, which is a subregion of the continent of Americas.

St. John's serves as the capital of Antigua & Barbuda.

The ISO 3166-1-Alpha-2, or two-letter country code, for Antigua & Barbuda is AG, while the ISO 3166-1-Alpha-3, or three-letter country code, is ATG, and the ISO 3166-1 numeric code is 28. ISO, the International Organization for Standardization, is a global federation of national standards bodies.

The dialing code for Antigua & Barbuda is +1-268.

The top-level domain (TLD) for Antigua & Barbuda-specific internet addresses ends with .ag.

The currency code of Antigua & Barbuda includes the currency alphabetic code XCD and the currency numeric code 951. The currency is referred to as the East Caribbean Dollar. ISO 4217 is a standard published by the International Organization for Standardization, defining alpha codes and numeric codes for representing currencies and providing information about the relationships between individual currencies and their minor units.

The UN M49 code for Antigua & Barbuda is 28. UN M49, or the Standard Country or Area Codes for Statistical Use, is a standard used by the United Nations for statistical purposes.

The GAUL code for Antigua & Barbuda is 11. GAUL, or the Global Administrative Unit Layers, is a spatial database of administrative units for all countries worldwide. It is a project of the Food and Agriculture Organization of the United Nations.

The MARC code for Antigua & Barbuda is aq. MARC, or machine-readable cataloging standards, are a set of digital formats for describing items cataloged by libraries, such as books, DVDs, and digital resources.

The FIPS code for Antigua & Barbuda is AC. FIPS, or Federal Information Processing Standards, are publicly announced standards developed by the National Institute of Standards and Technology for use in computer systems by non-military American government agencies and government contractors.

The WMO code for Antigua & Barbuda is AT. WMO, or the World Meteorological Organization, is a specialized agency of the United Nations responsible for promoting international cooperation on atmospheric science, climatology, hydrology, and geophysics.

The IOC code for Antigua & Barbuda is ANT. The International Olympic Committee uses three-letter abbreviation country codes to refer to each group of athletes that participate in the Olympic Games. Each geocode usually identifies a National Olympic Committee.

The EDGAR code for Antigua & Barbuda is B9. EDGAR, or the Electronic Data Gathering, Analysis, and Retrieval system, performs automated collection, validation, indexing, acceptance, and forwarding of submissions by companies and others who are required by law to file forms with the U.S. Securities and Exchange Commission.

The FIFA code for Antigua & Barbuda is ATG. FIFA, or Fédration Internationale de Football Association (International Federation of Association Football), assigns a three-letter country code to each of its member and non-member countries as name abbreviations for countries and dependent areas in official competitions.

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ContinentISO CodeCountriesArea
AsiaAS / ASI5144,579,000 km2
AfricaAF / AFR5430,370,000 km2
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EuropeEU / EUR5210,180,000 km2
Australia/OceaniaOC / OCE288,525,989 km2
AntarcticaAN / ATA514,200,000 km2
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