Area Codes:

Prefix County
319-248-XXXX Johnson
319-321-XXXX Johnson
319-325-XXXX Johnson
319-330-XXXX Johnson
319-331-XXXX Johnson
319-333-XXXX Johnson
319-335-XXXX Johnson
319-337-XXXX Johnson
319-338-XXXX Johnson
319-339-XXXX Johnson
319-341-XXXX Johnson
319-351-XXXX Johnson
319-353-XXXX Johnson
319-354-XXXX Johnson
319-356-XXXX Johnson
319-358-XXXX Johnson
319-359-XXXX Johnson
319-383-XXXX Johnson
319-384-XXXX Johnson
319-400-XXXX Johnson
319-430-XXXX Johnson
319-466-XXXX Johnson
319-467-XXXX Johnson
319-471-XXXX Johnson
319-499-XXXX Johnson
319-512-XXXX Johnson
319-530-XXXX Johnson
319-541-XXXX Johnson
319-594-XXXX Johnson
319-621-XXXX Johnson
319-631-XXXX Johnson
319-688-XXXX Johnson
319-834-XXXX Johnson
319-855-XXXX Johnson
319-887-XXXX Johnson
319-930-XXXX Johnson
319-936-XXXX Johnson