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Area Code 571

What is the 571 area code?

State Virginia
Time Zone Eastern
Country US

The 571 area code is located in the state of Virginia, and according to Intelius data, covers roughly 267,577 phone numbers and 330,544 listings across 627 prefixes.

This is a General Purpose Code, in service since March 1, 2000.

Area code 571 is part of an overlay complex shared with:

Area code 571 was split from area code 703.

Local calls within area code 571 require 10 digits dialing, while long-distance calls require 1 plus 10 digits dialing.

Have you received a call from a number with a 571 area code? Figure out who is calling you by performing a reverse phone lookup search. Intelius can provide you with a phone report that includes (when available) original line type and carrier, the number owner’s name, last known address and past addresses, age, possible relatives, and more.

Counties in the (571) area code

  1. Fairfax County
    County Population (2025) 1,167,873
    Principal Places
    • Zcta 20151
    • Burke
    • Fort Belvoir
    • Great Falls
    • Oakton
    Zips
    • 20151
    • 20153
    • 20156
    • 22015
    • 22060
    • 22066
    • 22121
  2. Fauquier County
    County Population (2025) 76,503
    Principal Places
    • Zcta 20137
    Zips
    • 20137
  3. Loudoun County
    County Population (2025) 449,749
    Principal Places
    • Zcta 20152
    • Sterling
    Zips
    • 20152
    • 20163
  4. Prince William County
    County Population (2025) 502,966
    Principal Places
    • Zcta 20143
    • Zcta 20155
    Zips
    • 20143
    • 20155

Cities in the (571) area code

  • Burke
  • Fort Belvoir
  • Great Falls
  • Oakton
  • Sterling
  • Zcta 20137
  • Zcta 20143
  • Zcta 20151
  • Zcta 20152
  • Zcta 20155

571 Stats

Number of Prefixes
627
Numbers
267,577
Listings
330,544

Area Code (571) Prefixes

Prefix
Numbers
Listings
Numbers 1,142
Listings 1,231
Numbers 367
Listings 384
Numbers 598
Listings 649
Numbers 371
Listings 455
Numbers 269
Listings 286
Numbers 548
Listings 581
Numbers 2,296
Listings 2,756
Numbers 95
Listings 98
Numbers 565
Listings 610
Numbers 164
Listings 180

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