Billiri is a Local Government Area (LGA) in Gombe State, Nigeria. Its headquarters is in Billiri town. There are several locations within the LGA that all make use of the same postal or zip codes.
Below are all the postal codes for Billiri LGA:
| Location | Postal Code |
| Todi | 771101 |
| Tudu | 771101 |
| Tudu Kwaya | 771101 |
| Ayabu | 771101 |
| Popandi | 771101 |
| Banganje | 771101 |
| Sabon Layi | 771101 |
| Bare | 771101 |
| Sansani | 771101 |
| Billiri | 771101 |
| Shela | 771101 |
| Kalmai | 771101 |
| Sikirit | 771101 |
| Kulkul | 771101 |
| Tal | 771101 |
| Laberpit | 771101 |
| Tanglang | 771101 |
| Lakalkal | 771101 |
| Lamugu | 771101 |
| Landongor | 771101 |
| Lanshi Daji | 771101 |
| Pade Kungu | 771101 |
| Pandikarmo | 771101 |
| Pandiukude | 771101 |
| Pokuli | 771101 |
| Pokwangli | 771101 |