- City / exchange
- Mountholly
- Province / state
- New Jersey
- Country
- United States
- Carrier
- New Cingular Wireless Pcs, LLC - Dc
- Line type
- Likely mobile
- OCN
- 4036
- Status
- In Service
- Assigned
- 07/30/2025
- Number pooling
- Yes (block shared between carriers)
640-291 phone numbers
Mountholly, New Jersey, United States · New Cingular Wireless Pcs, LLC - Dc
Reported numbers in 640-291
No numbers in this block have been reported by visitors yet.
What does the 640-291 prefix tell you?
Every North American number is area code + prefix + line. The prefix 640-291 was assigned to New Cingular Wireless Pcs, LLC - Dc on 07/30/2025 for the Mountholly exchange. A call from this block usually originates from a New Cingular Wireless Pcs, LLC - Dc customer in or near Mountholly, but caller ID can be spoofed to show any number.