United States
United States · Northern America ISO US
Prepare for U.S. travel with dollar and language facts, then choose the time zone of your destination. New York, Los Angeles and Honolulu have different zones. For police, fire or ambulance emergencies, call 911.
Travel preparation at a glance
Entry scope: South Korean ordinary passport · short tourism · subject to admission
- Currency
- United States dollar ($)
Evidence & review date
USAGov — U.S. General Services Administration ·
Intro / official currency
Official / technical field evidence ↗ - Voltage · plugs
- 120 V · A / B
Evidence & review date
- Time difference
- 19 hours behind Korea
Evidence & review date
IANA ·
Pacific/Honolulu · Current UTC offsets; check your travel date in the time tool
Official / technical field evidence ↗
Arrival airports JFK →LAX →ORD →DFW →HNL →DEN →
Visa exemption and stay limits apply to the stated tourism scope and do not guarantee admission. Other nationalities, work and longer stays require separate checks.
Source list · checked dates
Plan your next step in this country
United States · all attractions →Country facts & technical details Capital, languages, currency, power profiles & time zones
Travel essentials at a glance
- Currency
- United States dollar ($) Source
- Languages
- English Source
- Emergency numbers
- Police, fire and ambulance 911 Source
- Voltage
- 120 V
- Frequency
- 60 Hz
- Plug types
- A / B
- Time zones of listed cities
- Honolulu · Pacific/Honolulu Los Angeles · America/Los_Angeles New York · America/New_York
- Entry information
- Passport, visa & arrival procedures →
- Weather
- Los Angeles →
United States: listed types are A / B. Confirm the outlet and grounding connection with your accommodation. Regional profiles & sources →
Prepare for your trip
Cities & destinations
Attractions
Major airports
More travel tools
Answers for your trip
What currency is used in United States?
Currency in United States: United States dollar ($). This identifies the currency, not an exchange rate or acceptance guarantee. Check the seller’s currency before payment.
Scope: currency
Sources & review dates
- USAGov — U.S. General Services Administration · currency ·
Can I use my charger or appliance in United States?
The listed supply profiles for United States are 120V, 60Hz, with plug types A / B. Compare voltage and frequency on the device's INPUT label separately from plug shape. Regional and property supplies may differ; physical fit alone does not establish compatibility.
Scope: voltage / plug profiles (technical or tourism source)
Sources & review dates
- Bel — World Plug and Input Voltage Guide · voltage / plug profiles (technical or tourism source) ·
Compare United States supply profiles with your device label →
Which airport guides are available for United States?
This site’s airport guides for United States cover John F. Kennedy International Airport (JFK), Los Angeles International Airport (LAX); this is neither a ranking nor an exhaustive national airport list.
Scope: Site guide coverage
Sources & review dates
- Jin’s Travel · Site guide coverage · Site guide coverage; not an official-rule verification date.
What should I check before entering United States?
The linked United States entry guide covers South Korean ordinary-passport tourists on short visits. Check its field-level official sources for visas, travel authorisation, arrival registration, customs, stay length and departure conditions. Other passport nationalities must confirm their own eligibility; this summary is not an entry decision.
Scope: Guide passport scope; official requirement evidence is on the linked page
Sources & review dates
- Jin’s Travel · Guide passport scope; official requirement evidence is on the linked page · Site guide coverage; not an official-rule verification date.
Check United States entry conditions and official applications →
Sources and verification dates
Sources and verification dates
Travel facts last checked:
- USAGov — U.S. General Services Administration — American money Intro / official currency · 2026-10-04
- USAGov — U.S. General Services Administration — Official language of the United States Does the U.S. have an official language? · 2026-10-04
- National 911 Program — NHTSA — Calling 911 Calling 911 / emergency definition · 2026-10-04
Power data checked: 2026-09-22 · Power sources
- Honolulu — IANA Pacific/Honolulu · 2026-09-22
- Los Angeles — IANA America/Los_Angeles · 2026-09-22
- New York — IANA America/New_York · 2026-09-22
Country reference data
- Capital listed by source
- Washington
Supplementary GeoNames open data, not a government verification of current travel conditions. Capitals are as listed in the source; confirm actual currency use, languages and payment rules locally. Separately evidenced existing information is not overwritten.
GeoNames countryInfo · CC BY 4.0 · Fields selected by Jin’s Travel · Collected: