← Area code 563
563-770 phone numbers
Numbers 563-770-0000 to 563-770-9999 are assigned to Verizon Wireless in Muscatine, IA. 6 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 563-770-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.