| List of Co. Fermanagh registration letters, starting with the Motor Car Act of 1903 (effective 01/01/04) | ||
|
Local issue until December 1985 |
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| IL 1 | January 1904 | |
| 1 IL | January 1958 | |
| AIL | August 1966 | Figures (up to four) suffixed |
| BIL | April 1974 | |
| CIL | August 1978 | |
| DIL | September 1982 | Sequence not completed |
| EIL | December 1985 | Start of computerised system |
| FIL | October 1986 | |
| GIL | July 1989 | |
| HIL | January 1991 | |
| IIL | February 1992 | |
| JIL | November 1993 | |
| LIL | November 1994 | |
| MIL | November 1995 | |
| NIL | October 1996 | |
| OIL | September 1997 | |
| PIL | February 1998 | |
| RIL | November 1998 | |
| SIL | August 1999 | |
| TIL | May 2000 | |
| UIL | January 2001 | |
| VIL | February 2002 | |
| WIL | January 2003 | |
| XIL | April 2003 | |