Your are here: Online Shopping > Countries in the World > Country FAQs > USA FAQs

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)