- City / exchange
- S Berndino
- Province / state
- California
- Country
- United States
- Carrier
- Mcimetro Access Transmission Services LLC
- Line type
- Landline or business line
- OCN
- 7229
- Status
- In Service
- Assigned
- 02/19/2026
- Number pooling
- Yes (block shared between carriers)
840-288 phone numbers
S Berndino, California, United States · Mcimetro Access Transmission Services LLC
Reported numbers in 840-288
No numbers in this block have been reported by visitors yet.
What does the 840-288 prefix tell you?
Every North American number is area code + prefix + line. The prefix 840-288 was assigned to Mcimetro Access Transmission Services LLC on 02/19/2026 for the S Berndino exchange. A call from this block usually originates from a Mcimetro Access Transmission Services LLC customer in or near S Berndino, but caller ID can be spoofed to show any number.