← Area code 563
563-330 phone numbers
Numbers 563-330-0000 to 563-330-9999 are assigned to New Cingular Wireless PCS, LLC in Monona, IA. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 563-330-1xxx, 563-330-2xxx, 563-330-4xxx, 563-330-5xxx, 563-330-6xxx, 563-330-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.