| Sr. No. | Branch Name | Postal Code |
|---|---|---|
| 26 | Takasai | 304-0031 |
| 27 | Shimotsuma | 304-0068 |
| 28 | Chiyokawa | 304-0816 |
| 29 | Tsukuba | 305-0032 |
| 30 | Matsushiro | 305-0032 |
| 31 | Gakuennamiki | 305-0044 |
| 32 | Ninomiya | 305-0051 |
| 33 | Yatabe | 305-0854 |
| 34 | Midorino | 305-0875 |
| 35 | Koga | 306-0023 |
| 36 | Koga Chuo | 306-0033 |
| 37 | Osaki | 306-0101 |
| 38 | Sanwa Minami | 306-0126 |
| 39 | Sowa | 306-0234 |
| 40 | Sowa Minami | 306-0234 |
| 41 | Sashima | 306-0515 |
| 42 | Iwai Nishi | 306-0631 |
| 43 | Iwai | 306-0631 |
| 44 | Shimodate | 308-0021 |
| 45 | Chikusei | 308-0041 |
| 46 | Sekijiyo | 308-0103 |
| 47 | Kawashima | 308-0854 |
| 48 | Tamado | 308-0854 |
| 49 | Kiyowa | 309-1106 |
| 50 | Iwase | 309-1213 |