- City / exchange
- Manassas
- Province / state
- Virginia
- Country
- United States
- Carrier
- Onvoy, LLC - Va
- Line type
- Likely VoIP / virtual number
- OCN
- 138E
- Status
- In Service
- Assigned
- 12/11/2025
- Number pooling
- Yes (block shared between carriers)
571-747 phone numbers
Manassas, Virginia, United States · Onvoy, LLC - Va
Reported numbers in 571-747
No numbers in this block have been reported by visitors yet.
What does the 571-747 prefix tell you?
Every North American number is area code + prefix + line. The prefix 571-747 was assigned to Onvoy, LLC - Va on 12/11/2025 for the Manassas exchange. A call from this block usually originates from a Onvoy, LLC - Va customer in or near Manassas, but caller ID can be spoofed to show any number.