- City / exchange
- Gaithersbg
- 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)
301-407 phone numbers
Gaithersbg, Maryland, United States · Verizon Maryland, Inc.
Reported numbers in 301-407
No numbers in this block have been reported by visitors yet.
Complaints filed with the FCC
- 301-407-24361 complaint · 2026-10-06
What does the 301-407 prefix tell you?
Every North American number is area code + prefix + line. The prefix 301-407 was assigned to Verizon Maryland, Inc. on an unknown date for the Gaithersbg exchange. A call from this block usually originates from a Verizon Maryland, Inc. customer in or near Gaithersbg, but caller ID can be spoofed to show any number.