| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 851 | Kursail | Jhawa BO | 📍 855113 | Kadwa | Branch Post Office |
| 852 | Kursanda | Pranpur BO | 📍 854116 | Pranpur | Branch Post Office |
| 853 | Kursela | Ayodhyaganj Bazar SO | 📍 854101 | Kursela | Post Office - PO |
| 854 | Kurum | Kurum BO | 📍 854317 | Barsoi | Branch Post Office |
| 855 | Kusaha | Baltar BO | 📍 855113 | Azamnagar | Branch Post Office |
| 856 | Kusaul | Kharsouta BO | 📍 855113 | Azamnagar | Branch Post Office |
| 857 | Kusha | Jhawa BO | 📍 855113 | Kadwa | Branch Post Office |
| 858 | Kushwaha | Sahja BO | 📍 854107 | Pranpur | Branch Post Office |
| 859 | Kushwaha Tola | Sahja BO | 📍 854107 | Pranpur | Branch Post Office |
| 860 | Kusiar Murha | Gunjan BO | 📍 854317 | Barsoi | Branch Post Office |
| 861 | Kusiari | Chhohar BO | 📍 854114 | Sameli | Branch Post Office |
| 862 | Kusiari | Pranpur BO | 📍 854116 | Pranpur | Branch Post Office |
| 863 | Kutubpur | Narayanpur BO | 📍 854113 | Manihari | Branch Post Office |
| 864 | Lachaur | Telta BO | 📍 854317 | Balrampur | Branch Post Office |
| 865 | Lachhmipur | Morsanda BO | 📍 854108 | Falka | Branch Post Office |
| 866 | Lachhmipur | Kabar BO | 📍 854115 | Barari | Branch Post Office |
| 867 | Lachhmipur | Nishaangara BO | 📍 855101 | Falka | Post Office - PO |
| 868 | Lachhmipur | Kharsouta BO | 📍 855113 | Azamnagar | Branch Post Office |
| 869 | Lachhmipur Istamrar | Morsanda BO | 📍 854108 | Falka | Branch Post Office |
| 870 | Lagua | Sankola BO | 📍 855102 | Barsoi | Branch Post Office |
| 871 | Lagwan | Dasgram BO | 📍 855102 | Barsoi | Branch Post Office |
| 872 | Lahgaria | Manman BO | 📍 854317 | Barsoi | Branch Post Office |
| 873 | Lahsa | Kumaripur BO | 📍 854103 | Mansahi | Branch Post Office |
| 874 | Lakhanpur | Dilli Diwanganj BO | 📍 854117 | Amdabad | Branch Post Office |
| 875 | Lakhitola | Sankola BO | 📍 855102 | Barsoi | Branch Post Office |
| 876 | Lakhpura | Narayanpur BO | 📍 854113 | Manihari | Branch Post Office |
| 877 | Lakhpura | Rosna SO | 📍 854117 | Pranpur | Post Office - PO |
| 878 | Lalganj Teghra English | Pranpur BO | 📍 854116 | Pranpur | Branch Post Office |
| 879 | Lalgaon | Nimoul BO | 📍 855113 | Azamnagar | Branch Post Office |
| 880 | Lalia | Pawai BO | 📍 854104 | Korha | Branch Post Office |
| 881 | Laliyahi | Katihar Mill SO | 📍 854107 | katihar | Post Office - PO |
| 882 | Laljha Milik | Dhanetha BO | 📍 854108 | Falka | Branch Post Office |
| 883 | Lalpur | Dhachna BO | 📍 854317 | Barsoi | Branch Post Office |
| 884 | Lalpur | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 885 | Lalpurgachh | Sudhani RS BO | 📍 854317 | Barsoi | Branch Post Office |
| 886 | Lalsarchak | Chhoghra BO | 📍 855102 | Barsoi | Branch Post Office |
| 887 | Laltola Ekdala | Gaualtoli BO | 📍 855102 | Barsoi | Branch Post Office |
| 888 | Langardhoa | Sadapur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 889 | Langarpur | Gaualtoli BO | 📍 855102 | Barsoi | Branch Post Office |
| 890 | Lashkarbari | Sadapur BO | 📍 855113 | Azamnagar | Branch Post Office |
| 891 | Laucha | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 892 | Laur Kasht | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 893 | Laur Milik | B.Balrampur BO | 📍 854317 | Balrampur | Branch Post Office |
| 894 | Laxmipur B O | Laxmipur BO | 📍 854104 | Barsoi | Branch Post Office |
| 895 | Lihar | Balupara BO | 📍 854317 | Barsoi | Branch Post Office |
| 896 | Lodhna | Fatehpur BO | 📍 855101 | Barsoi | Branch Post Office |
| 897 | Lodwara | Morsanda BO | 📍 854108 | Falka | Branch Post Office |
| 898 | Lohagara | Bhargama BO | 📍 854102 | Balrampur | Branch Post Office |
| 899 | Lohagara Milik | Bhargama BO | 📍 854102 | Balrampur | Branch Post Office |
| 900 | Lohari | Ragheli BO | 📍 855114 | Dandkhora | Branch Post Office |