Prefix Information
The prefix 342 is part of area code 641 serving Mason City, Iowa.
This exchange contains 10,000 possible phone numbers (641-342-0000 through 641-342-9999).
Phone numbers with prefix 342 in area code 641. Location: Mason City, Iowa.
The prefix 342 is part of area code 641 serving Mason City, Iowa.
This exchange contains 10,000 possible phone numbers (641-342-0000 through 641-342-9999).