← Area code 307
307-440 phone numbers
Numbers 307-440-0000 to 307-440-9999 are assigned to Bresnan Broadband of Wyoming, LLC - Wy [charter] in Basin, WY. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 307-440-3xxx, 307-440-5xxx, 307-440-6xxx, 307-440-7xxx, 307-440-8xxx, 307-440-9xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 307-440
- 1 (307) 440-0153 2complaints
- 2 (307) 440-8351 2complaints
- 3 (307) 440-0244 1complaints
- 4 (307) 440-0288 1complaints
- 5 (307) 440-0323 1complaints
- 6 (307) 440-0627 1complaints
- 7 (307) 440-0708 1complaints
- 8 (307) 440-0943 1complaints
- 9 (307) 440-1037 1complaints
- 10 (307) 440-1178 1complaints
- 11 (307) 440-1279 1complaints
- 12 (307) 440-1357 1complaints
- 13 (307) 440-1783 1complaints
- 14 (307) 440-1813 1complaints
- 15 (307) 440-2114 1complaints
- 16 (307) 440-2327 1complaints
- 17 (307) 440-2384 1complaints
- 18 (307) 440-2495 1complaints
- 19 (307) 440-2804 1complaints
- 20 (307) 440-2827 1complaints
- 21 (307) 440-8586 1complaints