- City / exchange
- S Berndino
- Province / state
- California
- Country
- United States
- Carrier
- Teleport Communications America, LLC - CA
- Line type
- Landline or business line
- OCN
- 7139
- Status
- In Service
- Assigned
- 08/11/2025
- Number pooling
- Yes (block shared between carriers)
840-280 phone numbers
S Berndino, California, United States · Teleport Communications America, LLC - CA
Reported numbers in 840-280
No numbers in this block have been reported by visitors yet.
What does the 840-280 prefix tell you?
Every North American number is area code + prefix + line. The prefix 840-280 was assigned to Teleport Communications America, LLC - CA on 08/11/2025 for the S Berndino exchange. A call from this block usually originates from a Teleport Communications America, LLC - CA customer in or near S Berndino, but caller ID can be spoofed to show any number.