- City / exchange
- Frankfort
- Province / state
- Michigan
- Country
- United States
- Carrier
- Acd Telecom, Inc. - Mi
- Line type
- Landline or business line
- OCN
- 3535
- Status
- In Service
- Assigned
- 01/19/2005
- Number pooling
- Yes (block shared between carriers)
231-399 phone numbers
Frankfort, Michigan, United States · Acd Telecom, Inc. - Mi
Reported numbers in 231-399
No numbers in this block have been reported by visitors yet.
What does the 231-399 prefix tell you?
Every North American number is area code + prefix + line. The prefix 231-399 was assigned to Acd Telecom, Inc. - Mi on 01/19/2005 for the Frankfort exchange. A call from this block usually originates from a Acd Telecom, Inc. - Mi customer in or near Frankfort, but caller ID can be spoofed to show any number.