| Amarpur | Jharkhand | India | — | 814155 |
| Bānka | Bihar | India | 38,939 | 813101, 813102, 813103, 813104, 813106, 813107, 813109, 813110, 813115, 813116, 813117, 813118, 813119, 813121, 813124, 813125, 813126, 813127, 813128, 813202, 813207, 813211, 813221, 814131 |
| Bhagalpur | Bihar | India | 361,548 | 812001, 812002, 812003, 812005, 812007, 813105, 813108, 813112, 813113, 813129, 813203, 813204, 813205, 813210, 813213, 813214, 813222, 813223, 813224, 813225, 813227, 813228, 813231, 813233, 853202, 853203, 853205, 853207 |
| Kolkata | Benggala Barat | India | 4,631,392 | 700001, 700002, 700003, 700004, 700005, 700006, 700007, 700008, 700009, 700010, 700011, 700012, 700013, 700014, 700015, 700016, 700017, 700018, 700019, 700020, 700021, 700022, 700023, 700024, 700025, 700026, 700027, 700028, 700029, 700030, 700031, 700032, 700033, 700034, 700035, 700036, 700037, 700038, 700039, 700040, 700041, 700042, 700043, 700045, 700046, 700047, 700048, 700050, 700052, 700053, 700054, 700055, 700059, 700060, 700062, 700063, 700064, 700065, 700066, 700067, 700068, 700069, 700071, 700072, 700073, 700074, 700075, 700077, 700078, 700080, 700082, 700085, 700086, 700087, 700088, 700089, 700090, 700091, 700092, 700094, 700095, 700097, 700098, 700099, 700100, 700101, 700102, 700105, 700106, 700107, 700108, 700159, 700162, 700190, 711102, 711106, 711107, 711202, 711214, 711313, 711327 |
| Patna | Bihar | India | 1,599,920 | 800001, 800002, 800003, 800004, 800005, 800006, 800007, 800008, 800009, 800010, 800011, 800013, 800014, 800015, 800016, 800017, 800018, 800019, 800020, 800021, 800022, 800023, 800024, 800025, 800026, 800027, 800028, 800029, 800030, 800111, 801101, 801105, 801115, 801117, 801118, 801304, 801501, 801502, 801505, 801506, 801507, 803201, 803202, 803205, 803206, 804451, 804452, 804453, 804454, 851505 |