| Title: | Sonora Telephone Directory |
| Publisher: | General Telephone Company of the Southwest/GTE |
| Type: | Telephone directory |
| Publication date: | |
|
Jan 1955 Jun 1959 Mar 1975 Mar 1976 Aug 1979 Jul 1980 Jul 1981 Jul 1982 Jul 1983 Jul 1984 Jul 1985 Jul 1986 Jul 1987 Jul 1988 Aug 1989 Aug 1990 Aug 1991 Aug 1992 Aug 1993 Aug 1994 Aug 1995 Aug 1996 Sep 1999 | |
| Area codes: | |
|
915 | |
| Locations covered: | |
|
Barnhart Big Lake Eden Eldorado Ozona Sonora |