Horizontal 911 Address Signs - Size vs Character Chart
| Dimensions (W x H) | Character Sizes Allowed | 3" Max. Characters Allowed | 4" Max. Characters Allowed | 5" Max. Characters Allowed | 6" Max. Characters Allowed | Illustration | Recommended Mounting |
|---|---|---|---|---|---|---|---|
| 12 x 6" | 3", 4", 5" | 7 | 5 | 4 | ——— |  w/ 4″ Characters |
Mailbox, Stake, 4ft. U-channel Post |
| 18 x 6" | 3", 4", 5" | 10 | 8 | 6 | ——— |  w/ 4″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 24 x 6" | 3", 4", 5" | 14 | 10 | 9 | ——— |  w/ 4″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 30 x 6" | 3", 4", 5" | 18 | 11 | 8 | ——— |  w/ 4″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 36 x 6" | 3", 4", 5" | 21 | 13 | 10 | ——— |  w/ 4″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 18 x 9" | 5", 6" | ——— | ——— | 7 | 6 |  w/ 5″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 24 x 9" | 5", 6" | ——— | ——— | 9 | 7 |  w/ 5″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
| 30 x 9" | 5", 6" | ——— | ——— | 11 | 9 |  w/ 5″ Characters |
Mailbox, 4ft. & 6ft. U-channel Post |
