- City / exchange
- Guilford
- Province / state
- Connecticut
- Country
- United States
- Carrier
- Level 3 Communications, LLC - Ct
- Line type
- Likely VoIP / virtual number
- OCN
- 4800
- Status
- In Service
- Number pooling
- Yes (block shared between carriers)
203-533 phone numbers
Guilford, Connecticut, United States · Level 3 Communications, LLC - Ct
Reported numbers in 203-533
No numbers in this block have been reported by visitors yet.
What does the 203-533 prefix tell you?
Every North American number is area code + prefix + line. The prefix 203-533 was assigned to Level 3 Communications, LLC - Ct on an unknown date for the Guilford exchange. A call from this block usually originates from a Level 3 Communications, LLC - Ct customer in or near Guilford, but caller ID can be spoofed to show any number.