USA: Frequently Asked Questions

Question: What is the capital city of USA?

Answer: Washington, DC

Question: What is the currency of USA?

Answer: U.S. dollar 

The US dollar exchange rate is

Question: What is the country code of USA?

Answer: 1 

Question: What is the voltage of USA?

Answer: 110V 

Question: What is the frequency of USA?

Answer:

Question: What are the major cities in USA?

Answer:

Question: What is the official language in USA?

Answer: English, Spanish 

Question: What are the primary religions in USA?

Answer: Protestant, Roman Catholic 

Question: What are the main airports in USA?

Answer: Chicago O'Hare International (ORD), Hartsfield-Jackson Atlanta International (ATL), Los Angeles International (LAX)

• Africa
• Asia
• Caribbean
• Central America
• Europe
• Middle East
• North America
• Oceania
• South America

• Country Rankings
• List of Currency Code
• List of All Airports
• Country FAQs

• Agriculture
• Apparel
• Arts & Crafts
• Automobile
• Bags, Cases & Boxes
• Chemicals
• Computer Hardware & Software
• Construction & Real Estate
• Consumer Electronics
• Electrical & Electronics
• Energy & Environment
• Food & Beverage
• Furniture & Furnishing
• Health & Medicine
• Home Supplies
• Industrial Supplies
• Lights & Lighting
• Machinery
• Mineral & Materials
• Office Supplies
• Security & Protection
• Service
• Sports & Entertainment
• Telecommunications
• Textile
• Toys
• Transportation