United States Country CodesUnited States, formally known as the United States of America, is situated in Northern America, a subregion of the region Americas. Its capital city is Washington. United States is identified by various country codes. The ISO 3166-1-Alpha-2 code, commonly referred to as the 2-letter country code for United States, is US, while the ISO 3166-1-Alpha-3 code, known as the 3-letter country code, is USA. Similarly, the ISO 3166-1 numeric code for United States is 840. When connecting via phone, the dialing code for United States is +1, which is essential for initiating calls to phone numbers in United States. Online, websites in United States are distinguished by the top-level domain (TLD) .us, indicating their geographic origin. The currency utilized in United States is the US Dollar, denoted by the currency alphabetic code USD. Commonly known as the US 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 United States, please refer the tables below:
| Formal name | the United States of America |
| Capital | Washington |
| region | Americas |
| Sub region | Northern America |
| ISO 3166-1 Alpha-2 | US |
| ISO 3166-1 Alpha-3 | USA |
| ISO 3166-1 Numeric | 840 |
| Dialing code | +1 |
| Top Level Domain | .us |
| License plate code | USA |
| UN m49 code | 840 |
| GAUL code | 259 |
| MARC code | xxu |
| FIPS code | US |
| WMO code | US |
| IOC code | USA |
| EDGAR code | - |
| FIFA code | USA |
| GS1 GTIN code | 000-139 |
| Curency | Alphabetic code | Numeric code |
|---|---|---|
| US Dollar | USD | 840 |
| Timezone | Offset UTC | Offset DST | Time |
|---|---|---|---|
| America / Adak | −10:00 | −09:00 | |
| America / Anchorage | −09:00 | −08:00 | |
| America / Atka | −10:00 | −09:00 | |
| America / Boise | −07:00 | −06:00 | |
| America / Chicago | −06:00 | −05:00 | |
| America / Denver | −07:00 | −06:00 | |
| America / Detroit | −05:00 | −04:00 | |
| America / Fort_Wayne | −05:00 | −04:00 | |
| America / Indiana / Indianapolis | −05:00 | −04:00 | |
| America / Indiana / Knox | −06:00 | −05:00 | |
| America / Indiana / Marengo | −05:00 | −04:00 | |
| America / Indiana / Petersburg | −05:00 | −04:00 | |
| America / Indiana / Tell_City | −06:00 | −05:00 | |
| America / Indiana / Vevay | −05:00 | −04:00 | |
| America / Indiana / Vincennes | −05:00 | −04:00 | |
| America / Indiana / Winamac | −05:00 | −04:00 | |
| America / Indianapolis | −05:00 | −04:00 | |
| America / Juneau | −09:00 | −08:00 | |
| America / Kentucky / Louisville | −05:00 | −04:00 | |
| America / Kentucky / Monticello | −05:00 | −04:00 | |
| America / Knox_IN | −06:00 | −05:00 | |
| America / Los_Angeles | −08:00 | −07:00 | |
| America / Louisville | −05:00 | −04:00 | |
| America / Menominee | −06:00 | −05:00 | |
| America / Metlakatla | −09:00 | −08:00 | |
| America / New_York | −05:00 | −04:00 | |
| America / Nome | −09:00 | −08:00 | |
| America / North_Dakota / Beulah | −06:00 | −05:00 | |
| America / North_Dakota / Center | −06:00 | −05:00 | |
| America / North_Dakota / New_Salem | −06:00 | −05:00 | |
| America / Phoenix | −07:00 | −07:00 | |
| America / Shiprock | −07:00 | −06:00 | |
| America / Sitka | −09:00 | −08:00 | |
| America / Yakutat | −09:00 | −08:00 | |
| Navajo | −07:00 | −06:00 | |
| Pacific / Honolulu | −10:00 | −10:00 | |
| US / Alaska | −09:00 | −08:00 | |
| US / Aleutian | −10:00 | −09:00 | |
| US / Arizona | −07:00 | −07:00 | |
| US / Central | −06:00 | −05:00 | |
| US / East-Indiana | −05:00 | −04:00 | |
| US / Eastern | −05:00 | −04:00 | |
| US / Hawaii | −10:00 | −10:00 | |
| US / Indiana-Starke | −06:00 | −05:00 | |
| US / Michigan | −05:00 | −04:00 | |
| US / Mountain | −07:00 | −06:00 | |
| US / Pacific | −08:00 | −07:00 |
| Subdivision name | Subdivision category | ISO Code |
|---|---|---|
| Alabama | state | US-AL |
| Alaska | state | US-AK |
| American Samoa | outlying area | US-AS |
| Arizona | state | US-AZ |
| Arkansas | state | US-AR |
| California | state | US-CA |
| Colorado | state | US-CO |
| Connecticut | state | US-CT |
| Delaware | state | US-DE |
| District of Columbia | district | US-DC |
| Florida | state | US-FL |
| Georgia | state | US-GA |
| Guam | outlying area | US-GU |
| Hawaii | state | US-HI |
| Idaho | state | US-ID |
| Illinois | state | US-IL |
| Indiana | state | US-IN |
| Iowa | state | US-IA |
| Kansas | state | US-KS |
| Kentucky | state | US-KY |
| Louisiana | state | US-LA |
| Maine | state | US-ME |
| Maryland | state | US-MD |
| Massachusetts | state | US-MA |
| Michigan | state | US-MI |
| Minnesota | state | US-MN |
| Mississippi | state | US-MS |
| Missouri | state | US-MO |
| Montana | state | US-MT |
| Nebraska | state | US-NE |
| Nevada | state | US-NV |
| New Hampshire | state | US-NH |
| New Jersey | state | US-NJ |
| New Mexico | state | US-NM |
| New York | state | US-NY |
| North Carolina | state | US-NC |
| North Dakota | state | US-ND |
| Northern Mariana Islands | outlying area | US-MP |
| Ohio | state | US-OH |
| Oklahoma | state | US-OK |
| Oregon | state | US-OR |
| Pennsylvania | state | US-PA |
| Puerto Rico | outlying area | US-PR |
| Rhode Island | state | US-RI |
| South Carolina | state | US-SC |
| South Dakota | state | US-SD |
| Tennessee | state | US-TN |
| Texas | state | US-TX |
| United States Minor Outlying Islands | outlying area | US-UM |
| Utah | state | US-UT |
| Vermont | state | US-VT |
| Virgin Islands, U.S. | outlying area | US-VI |
| Virginia | state | US-VA |
| Washington | state | US-WA |
| West Virginia | state | US-WV |
| Wisconsin | state | US-WI |
| Wyoming | state | US-WY |
