| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 551 | Chandaipur | Gilaula SO | 📍 271835 | Bahraich | Post Office - PO |
| 552 | Chandaipur | Gujra BO | 📍 271872 | Bahraich | Branch Post Office |
| 553 | Chandamau | Bisheswarganj SO | 📍 271821 | Bahraich | Post Office - PO |
| 554 | Chandanpur | Khasha Mohd.Pur BO | 📍 271825 | Mahasi ** | Branch Post Office |
| 555 | Chandanpur | Chandanpur K. Pur BO | 📍 271865 | Nanpara | Branch Post Office |
| 556 | Chandanpur Sikaria | Khairabazar BO | 📍 271902 | Mahasi ** | Branch Post Office |
| 557 | Chandawapur | Satpediya BO | 📍 271806 | Bahraich | Branch Post Office |
| 558 | Chandela | Manikpur BO | 📍 271830 | Nanpara | Branch Post Office |
| 559 | Chandidaspur | Vairi Maheshpur BO | 📍 271903 | Kaiserganj | Branch Post Office |
| 560 | Chandpara | Mahasi Tahsil SO | 📍 271824 | Mahasi ** | Branch Post Office |
| 561 | Chandradipa | Sutaouli BO | 📍 271903 | Kaiserganj | Branch Post Office |
| 562 | Chandrawa | Dhanuhi BO | 📍 271845 | Bahraich | Branch Post Office |
| 563 | Chapar talli | Manwaria Diwan BO | 📍 271865 | Nanpara | Branch Post Office |
| 564 | Charadha | Shivdaha BO | 📍 271871 | Bahraich | Branch Post Office |
| 565 | Charagahawa | Bankashi BO | 📍 271865 | Nanpara | Branch Post Office |
| 566 | Charaidiha | Raibojha BO | 📍 271865 | Nanpara | Branch Post Office |
| 567 | Charaniakot | Basanera BO | 📍 271871 | Bahraich | Branch Post Office |
| 568 | Charda | Charda BO | 📍 271881 | Nanpara | Branch Post Office |
| 569 | Chardaha Chandan | Katra Bahadurpur BO | 📍 271802 | Bahraich | Branch Post Office |
| 570 | Charsanda Mafi | Bhaukhara BO | 📍 271882 | Nanpara | Branch Post Office |
| 571 | Chati | Ramnagar Khajuri BO | 📍 271871 | Bahraich | Branch Post Office |
| 572 | Chaturbehara | Kandra BO | 📍 271872 | Kaiserganj | Branch Post Office |
| 573 | Chaubhaiya | Naiwashi BO | 📍 271872 | Kaiserganj | Branch Post Office |
| 574 | Chaubhurji | Naruttampur BO | 📍 271851 | Mahasi ** | Branch Post Office |
| 575 | Chaudhari Gaon | Balai Goan BO | 📍 271855 | Nanpara | Branch Post Office |
| 576 | Chaudharipur | Narounda BO | 📍 271872 | Kaiserganj | Branch Post Office |
| 577 | Chaugoie | Chaukgoi BO | 📍 271802 | Nanpara | Branch Post Office |
| 578 | Chaugoie | Dhannigaon BO | 📍 271865 | Nanpara | Branch Post Office |
| 579 | Chaugoie Bilaspur | Dhannigaon BO | 📍 271865 | Nanpara | Branch Post Office |
| 580 | Chaugorwa | Nawab Ganj Alia Bad BO | 📍 271865 | Nanpara | Branch Post Office |
| 581 | Chauguraji | Gadamar Kuurd BO | 📍 271825 | Mahasi ** | Branch Post Office |
| 582 | Chaukharia | Bisheswarganj SO | 📍 271821 | Bahraich | Post Office - PO |
| 583 | Chaukharia | Khariha BO | 📍 271821 | Bahraich | Branch Post Office |
| 584 | Chaukhdiya | Chaukharia BO | 📍 271802 | Mahasi ** | Branch Post Office |
| 585 | Chauki | Rampurwa BO | 📍 271825 | Mahasi ** | Branch Post Office |
| 586 | Chauksa Har | Chok Sahar BO | 📍 271851 | Nanpara | Branch Post Office |
| 587 | Chaurikotia | Rahmatogaon BO | 📍 271865 | Nanpara | Branch Post Office |
| 588 | Chedagaon | Govindpur Pandit BO | 📍 271865 | Nanpara | Branch Post Office |
| 589 | Cheerpur | Naruttampur BO | 📍 271851 | Mahasi ** | Branch Post Office |
| 590 | Chetara | Lalpur BO | 📍 271806 | Bahraich | Branch Post Office |
| 591 | Chetara | Barnapur SO | 📍 271825 | Mahasi ** | Post Office - PO |
| 592 | Chhatauni | Gangwal BO | 📍 271821 | Bahraich | Branch Post Office |
| 593 | Chhawani Sardar | Bahraich HO | 📍 271801 | Bahraich | Head Post Office - H |
| 594 | Chhed Kuri | Bhaggarwa BO | 📍 271872 | Kaiserganj | Branch Post Office |
| 595 | Chhttarpur | Raipur BO | 📍 271851 | Mahasi ** | Branch Post Office |
| 596 | Chikaniya | Argorwa BO | 📍 271865 | Nanpara | Branch Post Office |
| 597 | Chilauli | Birahimpur BO | 📍 271903 | Kaiserganj | Branch Post Office |
| 598 | Chilawa | Kaiserganj SO | 📍 271903 | Kaiserganj | Post Office - PO |
| 599 | Chilwariya | Chilwaria SO | 📍 271870 | Bahraich | Post Office - PO |
| 600 | Chinta | Parsia BO | 📍 271870 | Kaiserganj | Branch Post Office |