| 401 | Ibaraki Asahimura Nokyo Bank | 4295 | Agricultural Cooperative Bank |
| 402 | Ibaraki Chiyoda Nokyo Bank | 4361 | Agricultural Cooperative Bank |
| 403 | Ibaraki Chuo Nokyo Bank | 4267 | Agricultural Cooperative Bank |
| 404 | Ibaraki Hitachi Nokyo Bank | 4288 | Agricultural Cooperative Bank |
| 405 | Ibaraki Kasumi Nokyo Bank | 4324 | Agricultural Cooperative Bank |
| 406 | Ibaraki Midori Nokyo Bank | 4273 | Agricultural Cooperative Bank |
| 407 | Ibaraki Minami Nokyo Bank | 4378 | Agricultural Cooperative Bank |
| 408 | Ibaraki Mizuho Nokyo Bank | 4284 | Agricultural Cooperative Bank |
| 409 | Ibaraki Mutsumi Nokyo Bank | 4422 | Agricultural Cooperative Bank |
| 410 | Ibaraki-ken Shingyoren Bank | 9457 | Fishery Cooperative Bank |
| 411 | Ibaraki-ken Shinkumi Bank | 2101 | Credit Cooperative |
| 412 | Ibaraki-ken Shinren Bank | 3008 | Community-based Financial Institution for Farmers |
| 413 | Ibaraki-shi Nokyo Bank | 7032 | Agricultural Cooperative Bank |
| 414 | Ibigawa Nokyo Bank | 6198 | Agricultural Cooperative Bank |
| 415 | Ibusuki Nokyo Bank | 9251 | Agricultural Cooperative Bank |
| 416 | Ichiba-cho Nokyo Bank | 8300 | Agricultural Cooperative Bank |
| 417 | Ichihara-shi Nokyo Bank | 4949 | Agricultural Cooperative Bank |
| 418 | Ichii Shinkin Bank | 1553 | Cooperative Regional Financial Institutions |
| 419 | Ichikawa-shi Nokyo Bank | 4959 | Agricultural Cooperative Bank |
| 420 | Ichinoseki Shinkin Bank | 1153 | Cooperative Regional Financial Institutions |
| 421 | Ichishitobu Nokyo Bank | 6678 | Agricultural Cooperative Bank |
| 422 | Igahokubu Nokyo Bank | 6758 | Agricultural Cooperative Bank |
| 423 | Igananbu Nokyo Bank | 6762 | Agricultural Cooperative Bank |
| 424 | Iida Shinkin Bank | 1394 | Cooperative Regional Financial Institutions |
| 425 | Iizuka Shinkin Bank | 1910 | Cooperative Regional Financial Institutions |
| 426 | Ikeda Senshu Bank | 0161 | Regional Banks |
| 427 | Iki-shi Nokyo Bank | 8905 | Agricultural Cooperative Bank |
| 428 | Imabaritachibana Nokyo Bank | 8401 | Agricultural Cooperative Bank |
| 429 | Imagane-cho Nokyo Bank | 3058 | Agricultural Cooperative Bank |
| 430 | Imari Shinkin Bank | 1932 | Cooperative Regional Financial Institutions |
| 431 | Imari-shi Nokyo Bank | 8771 | Agricultural Cooperative Bank |
| 432 | Imazu-cho Nokyo Bank | 6932 | Agricultural Cooperative Bank |
| 433 | Imizuno Nokyo Bank | 5911 | Agricultural Cooperative Bank |
| 434 | Inaba Nokyo Bank | 5932 | Agricultural Cooperative Bank |
| 435 | Inashiki Nokyo Bank | 4322 | Agricultural Cooperative Bank |
| 436 | Inba Nokyo Bank | 4988 | Agricultural Cooperative Bank |
| 437 | Indo Bank | 0424 | Foreign Banks |
| 438 | ING Bank NV | 0482 | Foreign Banks |
| 439 | Intesa Sanpaolo Bank | 0623 | Foreign Banks |
| 440 | Io Shinkin Bank | 1206 | Cooperative Regional Financial Institutions |
| 441 | Io Shinkumi Bank | 2471 | Credit Cooperative |
| 442 | Ion Bank | 0040 | Other Banks |
| 443 | Irumano Nokyo Bank | 4735 | Agricultural Cooperative Bank |
| 444 | Ise Nokyo Bank | 6731 | Agricultural Cooperative Bank |
| 445 | Isehara-shi Nokyo Bank | 5139 | Agricultural Cooperative Bank |
| 446 | Ishikari-shi Nokyo Bank | 3142 | Agricultural Cooperative Bank |
| 447 | Ishikawa Kahoku Nokyo Bank | 6062 | Agricultural Cooperative Bank |
| 448 | Ishikawa-ken Ishi Shinkumi Bank | 2417 | Credit Cooperative |
| 449 | Ishikawa-ken Shingyoren Bank | 9468 | Fishery Cooperative Bank |
| 450 | Ishikawa-ken Shinren Bank | 3019 | Community-based Financial Institution for Farmers |
| 451 | Ishinomaki Nokyo Bank | 3731 | Agricultural Cooperative Bank |
| 452 | Ishinomaki Shinkin Bank | 1172 | Cooperative Regional Financial Institutions |
| 453 | Ishinomaki Shoko Shinkumi Bank | 2061 | Credit Cooperative |
| 454 | Isumi Nokyo Bank | 4893 | Agricultural Cooperative Bank |
| 455 | Isurugi Shinkin Bank | 1413 | Cooperative Regional Financial Institutions |
| 456 | Itanogun Nokyo Bank | 8252 | Agricultural Cooperative Bank |
| 457 | Itau Unibanco Bank | 0626 | Foreign Banks |
| 458 | Itoigawa Shinkumi Bank | 2366 | Credit Cooperative |
| 459 | Itoshima Nokyo Bank | 8635 | Agricultural Cooperative Bank |
| 460 | Iwadeyama Nokyo Bank | 3717 | Agricultural Cooperative Bank |
| 461 | Iwai Higashi Nokyo Bank | 3590 | Agricultural Cooperative Bank |
| 462 | Iwai Nokyo Bank | 4425 | Agricultural Cooperative Bank |
| 463 | Iwaki Chubu Nokyo Bank | 4197 | Agricultural Cooperative Bank |
| 464 | Iwaki Shinkumi Bank | 2092 | Credit Cooperative |
| 465 | Iwaki-shi Nokyo Bank | 4196 | Agricultural Cooperative Bank |
| 466 | Iwakuni-shi Nokyo Bank | 8102 | Agricultural Cooperative Bank |
| 467 | Iwami Chuo Nokyo Bank | 7735 | Agricultural Cooperative Bank |
| 468 | Iwamiginzan Nokyo Bank | 7717 | Agricultural Cooperative Bank |
| 469 | Iwamizawa Nokyo Bank | 3156 | Agricultural Cooperative Bank |
| 470 | Iwanuma-shi Nokyo Bank | 3647 | Agricultural Cooperative Bank |
| 471 | Iwata Shinkin Bank | 1511 | Cooperative Regional Financial Institutions |
| 472 | Iwate Bank | 0123 | Regional Banks |
| 473 | Iwate Chuo Nokyo Bank | 3541 | Agricultural Cooperative Bank |
| 474 | Iwate Chuo Raku Nokyo Bank | 3539 | Agricultural Cooperative Bank |
| 475 | Iwate Esashi Nokyo Bank | 3579 | Agricultural Cooperative Bank |
| 476 | Iwate Furusato Nokyo Bank | 3572 | Agricultural Cooperative Bank |
| 477 | Iwate Minami Nokyo Bank | 3586 | Agricultural Cooperative Bank |
| 478 | Iwate-ken Ishi Shinkumi Bank | 2049 | Credit Cooperative |
| 479 | Iwate-ken Shingyoren Bank | 9452 | Fishery Cooperative Bank |
| 480 | Iwate-ken Shinren Bank | 3003 | Community-based Financial Institution for Farmers |
| 481 | Iyo Bank | 0174 | Regional Banks |
| 482 | Izu Taiyo Nokyo Bank | 6328 | Agricultural Cooperative Bank |
| 483 | Izumino Nokyo Bank | 7092 | Agricultural Cooperative Bank |
| 484 | Izumo Nokyo Bank | 7708 | Agricultural Cooperative Bank |
| 485 | Izunokuni Nokyo Bank | 6338 | Agricultural Cooperative Bank |
| 486 | JA Aichi Mikawa | 6571 | Agricultural Cooperative Bank |
| 487 | JA Echizen Takefu | 6583 | Agricultural Cooperative Bank |
| 488 | JA Iwate Furusato | 3571 | Agricultural Cooperative Bank |
| 489 | JA Komatsu City | 5692 | Agricultural Cooperative Bank |
| 490 | JA Kyoto Central | 6965 | Agricultural Cooperative Bank |
| 491 | JA Nomi | 5892 | Agricultural Cooperative Bank |
| 492 | JA Sunny Country Okayama | 7738 | Agricultural Cooperative Bank |
| 493 | Japan Net Bank | 0033 | Other Banks |
| 494 | JF Shimane Gyokyo Bank | 9481 | Fishery Cooperative Bank |
| 495 | Jibun Bank | 0039 | Other Banks |
| 496 | Joetsu Shinkin Bank | 1376 | Cooperative Regional Financial Institutions |
| 497 | Johoku Shinkin Bank | 1351 | Cooperative Regional Financial Institutions |
| 498 | Jonan Shinkin Bank | 1344 | Cooperative Regional Financial Institutions |
| 499 | Joso Hikari Nokyo Bank | 4413 | Agricultural Cooperative Bank |
| 500 | Joyo Bank | 0130 | Regional Banks |