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United States

United States of America

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United States (US, USA) is a country in North America, with Washington D.C. as its capital. The currency is the US Dollar (USD, $). The international dialling code is +1 and the trunk prefix is 1; mobile numbers are written like (201) 555-0123. There are 29 time zones: America/New_York, America/Detroit, America/Kentucky/Louisville, America/Kentucky/Monticello, America/Indiana/Indianapolis, and America/Indiana/Vincennes and more. Main languages: English and Spanish.

CurrencyUSD$
Dial code+1e.g. (201) 555-0123
Time zone29 zonesUTC−05:00 … UTC−05:00
LanguageEnglish+1 more
CapitalWashington D.C.
Population342M9.4M km²

Overview

Official name
United States of America
Native name
United States
ISO 3166-1 alpha-2
US
ISO 3166-1 alpha-3
USA
ISO 3166-1 numeric
840
IOC code
USA
Demonym
American
Capital
Washington D.C.
Region
Americas › North America
Status
Independent, UN member
Groups
  • Northern America
  • United Nations
Internet domain
.us
Coordinates
38, -97
Area
9,372,610 km²
Population
341,963,000
GDP
$24.7T ($72.1K per person)
Literacy
99%
Landlocked
No

Currency

US Dollar USD

Symbol
$
Minor units
2 decimals
Example
$1,234.50

Former currencies: USS

Languages

LanguageStatusShare of populationWriting
English enDe facto official96% (328.3M)
Spanish esOfficial (regional)9.6% (32.8M)
Hawaiian hawOfficial (regional)0.0089% (30.4K)
Traditional Chinese zh-Hant0.69% (2.4M)
French fr0.56% (1.9M)
German de0.47% (1.6M)
Filipino fil0.42% (1.4M)
Italian it0.34% (1.2M)
Vietnamese vi0.34% (1.2M)
Korean ko0.3% (1M)
Russian ru0.24% (820.7K)
mww mww0.068% (232.5K)
Navajo nv0.05% (171K)
Yiddish yi0.049% (167.6K)
Pennsylvania German pdc0.039% (133.4K)
Hmong Njua hnj0.035% (119.7K)
Cajun French frc0.0084% (28.7K)
Cherokee chr0.0077% (26.3K)5%
Central Yupik esu0.0063% (21.5K)
Dakota dak0.0059% (20.2K)
Choctaw cho0.0033% (11.3K)
Lakota lkt0.0024% (8.2K)
Inupiaq ik0.0023% (7.9K)5%
Muscogee mus0.0012% (4.1K)
Okanagan oka0.0001% (342)
Caddo cad0% (0)
Chickasaw cic0% (0)
Ido io0% (0)
Lojban jbo0% (0)
Osage osa0% (0)

Time zones

Time zoneLocal timeStandardDaylight savingName
America/New_YorkUTC−05:00UTC−04:00Eastern Standard Time
America/DetroitUTC−05:00UTC−04:00Eastern Standard Time
America/Kentucky/LouisvilleUTC−05:00UTC−04:00Eastern Standard Time
America/Kentucky/MonticelloUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/IndianapolisUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/VincennesUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/WinamacUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/MarengoUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/PetersburgUTC−05:00UTC−04:00Eastern Standard Time
America/Indiana/VevayUTC−05:00UTC−04:00Eastern Standard Time
America/ChicagoUTC−06:00UTC−05:00Central Standard Time
America/Indiana/Tell_CityUTC−06:00UTC−05:00Central Standard Time
America/Indiana/KnoxUTC−06:00UTC−05:00Central Standard Time
America/MenomineeUTC−06:00UTC−05:00Central Standard Time
America/North_Dakota/CenterUTC−06:00UTC−05:00Central Standard Time
America/North_Dakota/New_SalemUTC−06:00UTC−05:00Central Standard Time
America/North_Dakota/BeulahUTC−06:00UTC−05:00Central Standard Time
America/DenverUTC−07:00UTC−06:00Mountain Standard Time
America/BoiseUTC−07:00UTC−06:00Mountain Standard Time
America/PhoenixUTC−07:00noneMountain Standard Time
America/Los_AngelesUTC−08:00UTC−07:00Pacific Standard Time
America/AnchorageUTC−09:00UTC−08:00Alaska Standard Time
America/JuneauUTC−09:00UTC−08:00Alaska Standard Time
America/SitkaUTC−09:00UTC−08:00Alaska Standard Time
America/MetlakatlaUTC−09:00UTC−08:00Alaska Standard Time
America/YakutatUTC−09:00UTC−08:00Alaska Standard Time
America/NomeUTC−09:00UTC−08:00Alaska Standard Time
America/AdakUTC−10:00UTC−09:00Hawaii-Aleutian Standard Time
Pacific/HonoluluUTC−10:00noneHawaii-Aleutian Standard Time

Phone numbers

Calling code
+1 (+1201, +1202, +1203, +1205, +1206, +1207, +1208, +1209, …)
Dial-out prefix
011
Trunk prefix
1
National number length
10 digits
Emergency number
112 pattern 112|911

Number types

TypeNational formatInternational formatLayoutDigits
Fixed line(201) 555-0123+1 201 555 0123(XXX) XXX-XXXX10
Mobile(201) 555-0123+1 201 555 0123(XXX) XXX-XXXX10
Toll free(800) 234-5678+1 800 234 5678(XXX) XXX-XXXX10
Premium rate(900) 234-5678+1 900 234 5678(XXX) XXX-XXXX10
Personal number(500) 234-5678+1 500 234 5678(XXX) XXX-XXXX10
Show the 3 formatting rules
Digits patternLeading digitsFormatInternational
(\d{3})(\d{4})310$1-$2$1-$2
(\d{3})(\d{4})[24-9]|3(?:[02-9]|1[1-9])$1-$2$1-$2
(\d{3})(\d{3})(\d{4})[2-9]($1) $2-$3$1-$2-$3

Address and postal code

Address layout

{Name}
{Organization}
{Street address}
{City}, {State/province} {Postal code}
Required fields
Street address, City, State/province, Postal code
Uppercase fields
City, State/province
Region label
state
Predefined regions
62

Postal code

Pattern
(\d{5})(?:[ \-](\d{4}))?
Examples
95014 · 22162-1010
Label
zip

Calendar, units and conventions

First day of the week
Sunday
Weekend
Saturday to Sunday
First week of the year
Contains at least 1 day of the new year
Hour cycle
12-hour (1–12), also hb, H, hB
Calendars
gregorian
Measurement system
US customary
Temperature
Fahrenheit
Paper size
US-Letter

Number and date formats

As written by the American English locale (en-US), amounts in USD.

Number
1,234,567.891
Percent
45.7%
Currency (USD)
$1,234,567.89
Accounting
($1,234,567.89)
Currency, name
1,234,567.89 US dollars
Compact short
1.2M
Compact long
1.2 million
Scientific
1.235E6
Speed
88 kilometers per hour
Temperature
21.5°C
Date, full
Friday, March 27, 2026
Date, long
March 27, 2026
Date, medium
Mar 27, 2026
Date, short
3/27/26
Time, medium
3:04:05 PM
Time, short
3:04 PM
Date and time
Mar 27, 2026, 3:04 PM
Month and year
March 2026
Weekday
Friday
Relative time
yesterday · in 3 days · 2 hours ago
List: and
A, B, and C
List: or
A, B, or C

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