Area code
Area code 571 — Fairfax & Loudoun, VA
Virginia · in service since March 1, 2000
Area code 571 covers Fairfax & Loudoun, VA. It is an overlay: 703 serves the same area, so neighbors can have different area codes.
Overlay, same area: 703
Local time in Fairfax & Loudoun
Spam reports from Sep 23 – Oct 22, 2026
High #53 of 461 codes
838 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes652 assigned
- Runs out~1Q 2031
- Unwanted call?Block & report
Spam call reports about 571 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 37 |
| Sep 14 | 205 |
| Sep 21 | 220 |
| Sep 28 | 173 |
| Oct 5 | 170 |
| Oct 12 | 200 |
| Oct 19 (4 days) | 149 |
Compared with all codes
- Robocalls
- 69%all codes 75%
- Callers with the same code
- 30%all codes 35%
- Rank by complaints
- #53of 461 · top quarter
- FCC complaints, Oct 2025 – Sep 2026
- 332188 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 219 19% | |
| Calls pretending to be government, businesses, or family and friends | 170 15% | |
| Dropped call or no message | 67 6% | |
| Medical & prescriptions | 48 4% | |
| Home improvement & cleaning | 22 2% | |
| Lotteries, prizes & sweepstakes | 10 1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Virginia | 538 47% | |
| Florida | 80 7% | |
| California | 60 5% | |
| Illinois | 39 3% | |
| Maryland | 38 3% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 571 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| WSNGTNZN08 | — | — | 128 |
| WSNGTNZN17 | — | — | 113 |
| HERNDON | Herndon | spans 2 counties | 74 |
| WSNGTNZN19 | — | — | 68 |
| LEESBURG | Leesburg | Loudoun County | 48 |
| MANASSAS | Manassas | Manassas city | 41 |
| DALE CITY | Dale City | Prince William County | 29 |
| ENGLESIDE | — | — | 27 |
| OCCOQUAN | Occoquan | spans 2 counties | 21 |
| BRADDOCK | Braddock | Fairfax County | 15 |
Plus 9 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Virginia
- Assigned by NANPA
- June 1, 1999
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-177
Source: NANPA, NPA database of Oct 24, 2026.
Is 571 running out of numbers?
Previous forecast (October 2025): 2030, moved later by 1 year.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 571 prefixes
The five largest of 40 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Omnipoint Communications Cap Operations, LLC | 101 15% | |
| New Cingular Wireless PCS, LLC | 90 14% | |
| Verizon Wireless | 75 12% | |
| Onvoy, LLC | 64 10% | |
| Mcimetro Access Transmission Services LLC | 40 6% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 571
What area code is 571?
A Virginia area code, in service since March 1, 2000.
Where is 571 area code, and what time zone is it in?
Fairfax & Loudoun, VA; Eastern Time.
Why am I getting spam calls from 571?
838 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 571 get a new area code?
NANPA forecasts exhaust in 1Q 2031; no relief planning listed.