Question: Where is the telephone area code 571 located?
Answer: northern Virginia
Disambiguated annotations:
qaPairs: question: What counties is the telephone area code 571 located?
answer: Fauquier
Loudoun
Prince William
Stafford
Arlington
Fairfax
question: What cities is the telephone area code 571 located?
answer: Alexandria
Fairfax
Falls Church
Manassas
Manassas Park
question: What General area has the area code 571?
answer: Northern Virginia
NOVA