Billiri is a Local Government Area (LGA) in Gombe State, Nigeria. Its headquarters is in Billiri town. There are several locations within the LGA which all make use of the same postal or zip codes.
Here are the postcodes for Billiri LGA:
| Location | Postcode |
| 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 |