
Telephone Directory - U
| City or County | Phonebook | Year | Volume | Cross-Reference |
| Union | Newton | 1965-2013 | 55 | 59 (2014-15), 62 (2014-2015) |
| Union Church | Claiborne, Jefferson Counties | 1987-2013 | 63 | 21[1964-86] |
| University of Mississippi | University of Mississippi | [1989-95] | 57 | |
| University of Southern Mississippi | University of Southern Mississippi | 1957-2004 | 72 | |
| Utica | Greater Jackson Area | 1927-2014 | 35 | 28[1947-73] |