- City / exchange
- Rochester
- Province / state
- New Hampshire
- Country
- United States
- Carrier
- Comcast IP Phone, LLC
- Line type
- Landline or business line
- OCN
- 318J
- Status
- In Service
- Assigned
- 07/31/2018
- Number pooling
- Yes (block shared between carriers)
603-403 phone numbers
Rochester, New Hampshire, United States · Comcast IP Phone, LLC
Reported numbers in 603-403
No numbers in this block have been reported by visitors yet.
What does the 603-403 prefix tell you?
Every North American number is area code + prefix + line. The prefix 603-403 was assigned to Comcast IP Phone, LLC on 07/31/2018 for the Rochester exchange. A call from this block usually originates from a Comcast IP Phone, LLC customer in or near Rochester, but caller ID can be spoofed to show any number.