- City / exchange
- Frederick
- Province / state
- Maryland
- Country
- United States
- Carrier
- Verizon Maryland, Inc.
- Line type
- Landline or business line
- OCN
- 9212
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
301-644 phone numbers
Frederick, Maryland, United States · Verizon Maryland, Inc.
Reported numbers in 301-644
No numbers in this block have been reported by visitors yet.
What does the 301-644 prefix tell you?
Every North American number is area code + prefix + line. The prefix 301-644 was assigned to Verizon Maryland, Inc. on an unknown date for the Frederick exchange. A call from this block usually originates from a Verizon Maryland, Inc. customer in or near Frederick, but caller ID can be spoofed to show any number.