← Area code 417
417-317 phone numbers
Numbers 417-317-0000 to 417-317-9999 are assigned to United States Cellular in Joplin, MO. 8 of its ten thousand-number blocks are assigned to other carriers (number pooling).
Not assigned to any carrier: 417-317-8xxx — calls from these use spoofed caller IDs.
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.