- City / exchange
- Mason City
- Province / state
- Iowa
- Country
- United States
- Carrier
- Level 3 Communications, LLC - Ia
- Line type
- Likely VoIP / virtual number
- OCN
- 9877
- Status
- In Service
- Assigned
- 10/26/2009
- Number pooling
- Yes (block shared between carriers)
641-243 phone numbers
Mason City, Iowa, United States · Level 3 Communications, LLC - Ia
Reported numbers in 641-243
No numbers in this block have been reported by visitors yet.
What does the 641-243 prefix tell you?
Every North American number is area code + prefix + line. The prefix 641-243 was assigned to Level 3 Communications, LLC - Ia on 10/26/2009 for the Mason City exchange. A call from this block usually originates from a Level 3 Communications, LLC - Ia customer in or near Mason City, but caller ID can be spoofed to show any number.