← Area code 563
563-307 phone numbers
Numbers 563-307-0000 to 563-307-9999 are assigned to T-Mobile USA, Inc. in Dubuque, IA. 4 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 563-307-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 563-307
- 1 (563) 307-2113 2complaints
- 2 (563) 307-2865 2complaints
- 3 (563) 307-2079 1complaints
- 4 (563) 307-2187 1complaints
- 5 (563) 307-2198 1complaints
- 6 (563) 307-2382 1complaints
- 7 (563) 307-2495 1complaints
- 8 (563) 307-2571 1complaints
- 9 (563) 307-2670 1complaints
- 10 (563) 307-2681 1complaints
- 11 (563) 307-2752 1complaints
- 12 (563) 307-2770 1complaints
- 13 (563) 307-2832 1complaints
- 14 (563) 307-2843 1complaints
- 15 (563) 307-2867 1complaints
- 16 (563) 307-2876 1complaints
- 17 (563) 307-2888 1complaints
- 18 (563) 307-2891 1complaints
- 19 (563) 307-2899 1complaints
- 20 (563) 307-2904 1complaints
- 21 (563) 307-2966 1complaints
- 22 (563) 307-2969 1complaints
- 23 (563) 307-2970 1complaints
- 24 (563) 307-2986 1complaints
- 25 (563) 307-2997 1complaints
- 26 (563) 307-2999 1complaints
- 27 (563) 307-3357 1complaints
- 28 (563) 307-3540 1complaints
- 29 (563) 307-4046 1complaints