| Sr. No. | City | Number of Branches |
|---|---|---|
| 1 | Andrzejewo | 1 |
| 2 | Brańszczyk | 2 |
| 3 | Brok | 1 |
| 4 | Czerwin | 1 |
| 5 | Jasienica | 1 |
| 6 | Lelis | 1 |
| 7 | Małkinia Górna | 1 |
| 8 | Olszewo-Borki | 1 |
| 9 | Ostrołęka | 2 |
| 10 | Ostrów Mazowiecka | 4 |
| 11 | Poręba | 1 |
| 12 | Rzekuń | 1 |
| 13 | Somianka | 1 |
| 14 | Stary Lubotyń | 1 |
| 15 | Szulborze Wielkie | 1 |
| 16 | Warszawa | 1 |
| 17 | Wołomin | 1 |
| 18 | Wyszków | 1 |
| 19 | Zaręby Kościelne | 1 |
| 20 | Zielonka | 1 |