- City / exchange
- Sunnyvale
- Province / state
- California
- Country
- United States
- Carrier
- Level 3 Communications, LLC - CA
- Line type
- Likely VoIP / virtual number
- OCN
- 8826
- Status
- In Service
- Assigned
- 03/04/2013
- Number pooling
- Yes (block shared between carriers)
669-721 phone numbers
Sunnyvale, California, United States · Level 3 Communications, LLC - CA
Reported numbers in 669-721
No numbers in this block have been reported by visitors yet.
What does the 669-721 prefix tell you?
Every North American number is area code + prefix + line. The prefix 669-721 was assigned to Level 3 Communications, LLC - CA on 03/04/2013 for the Sunnyvale exchange. A call from this block usually originates from a Level 3 Communications, LLC - CA customer in or near Sunnyvale, but caller ID can be spoofed to show any number.