350 Area Code

The 350 area code is NOT a valid area code. This area code is NOT officially assigned to a known Numbering Plan Area (NPA). The 350 area code is not assigned to a city/state location.

In most cases with invalid area codes like 350, tend to be used by phone numbers from telemarketing companies.

Last Searched Area Codes
Area CodeCity/State
567Ottawa, Ohio
605Hazel, South Dakota
865Sevierville, Tennessee