- City / exchange
- Frederick
- Province / state
- Maryland
- Country
- United States
- Carrier
- Comcast IP Phone, LLC
- Line type
- Landline or business line
- OCN
- 318J
- Status
- In Service
- Assigned
- 02/20/2007
- Number pooling
- Yes (block shared between carriers)
301-378 phone numbers
Frederick, Maryland, United States · Comcast IP Phone, LLC
Reported numbers in 301-378
No numbers in this block have been reported by visitors yet.
What does the 301-378 prefix tell you?
Every North American number is area code + prefix + line. The prefix 301-378 was assigned to Comcast IP Phone, LLC on 02/20/2007 for the Frederick exchange. A call from this block usually originates from a Comcast IP Phone, LLC customer in or near Frederick, but caller ID can be spoofed to show any number.