- City / exchange
- Henniker
- Province / state
- New Hampshire
- Country
- United States
- Carrier
- Merrimack Co. Telephone Co., dba Contoocook Valley
- Line type
- Landline or business line
- OCN
- 3320
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
603-428 phone numbers
Henniker, New Hampshire, United States · Merrimack Co. Telephone Co., dba Contoocook Valley
Reported numbers in 603-428
No numbers in this block have been reported by visitors yet.
What does the 603-428 prefix tell you?
Every North American number is area code + prefix + line. The prefix 603-428 was assigned to Merrimack Co. Telephone Co., dba Contoocook Valley on an unknown date for the Henniker exchange. A call from this block usually originates from a Merrimack Co. Telephone Co., dba Contoocook Valley customer in or near Henniker, but caller ID can be spoofed to show any number.