- City / exchange
- Casper
- Province / state
- Wyoming
- Country
- United States
- Carrier
- Union Telephone Company
- Line type
- Landline or business line
- OCN
- 013B
- Status
- In Service
- Number pooling
- No
307-377 phone numbers
Casper, Wyoming, United States · Union Telephone Company
Reported numbers in 307-377
No numbers in this block have been reported by visitors yet.
What does the 307-377 prefix tell you?
Every North American number is area code + prefix + line. The prefix 307-377 was assigned to Union Telephone Company on an unknown date for the Casper exchange. A call from this block usually originates from a Union Telephone Company customer in or near Casper, but caller ID can be spoofed to show any number.