| # | Village / Locality | Post Office | PIN Code | Sub District | Type |
|---|---|---|---|---|---|
| 801 | Madhopur | Baruhi BO | 📍 802208 | Agiaon | Branch Post Office |
| 802 | Madhopur Ditto | L.K.Dera BO | 📍 802112 | Shahpur | Branch Post Office |
| 803 | Madhubani | Chhotka Sasaram BO | 📍 802157 | Udwant Nagar | Branch Post Office |
| 804 | Madhuri | Koil BO | 📍 802223 | Charpokhari | Branch Post Office |
| 805 | Mah Chak | Ekauna BO | 📍 802311 | Barhara | Branch Post Office |
| 806 | Mahabirganj | Kolodihri BO | 📍 802222 | Sahar | Branch Post Office |
| 807 | Mahadeopur | Phulari BO | 📍 802164 | Sandesh | Branch Post Office |
| 808 | Mahadeopur | Tarari SO | 📍 802209 | Tarari | Post Office - PO |
| 809 | Mahadewa | Arrah HO | 📍 802301 | Arrah | Head Post Office - H |
| 810 | Mahapur | Bariswan BO | 📍 802165 | Shahpur | Branch Post Office |
| 811 | Maharaja | Bharauli BO | 📍 802165 | Shahpur | Branch Post Office |
| 812 | Mahatwania | Ashni Jaitpur BO | 📍 802210 | Udwant Nagar | Branch Post Office |
| 813 | Mahazi Dokti Ditto | Birpur BO | 📍 802165 | Shahpur | Branch Post Office |
| 814 | Mahazi Dokti Ditto | Salempur BO | 📍 802351 | Barhara | Branch Post Office |
| 815 | Mahazi Dokti Unsurveyed | Salempur BO | 📍 802351 | Arrah | Branch Post Office |
| 816 | Mahesh Dih | Tarari SO | 📍 802209 | Tarari | Post Office - PO |
| 817 | Mahkampur Bara | Basantpur BO | 📍 802156 | Arrah | Branch Post Office |
| 818 | Mahpur | Chasi BO | 📍 802201 | Agiaon | Branch Post Office |
| 819 | Mahuaon | Mahuaon BO | 📍 802183 | Behea | Branch Post Office |
| 820 | Mahuar Inglish | Mahuar BO | 📍 802112 | Shahpur | Branch Post Office |
| 821 | Mahuari | Amehata BO | 📍 802202 | Piro | Branch Post Office |
| 822 | Mahui | Nathmalpur BO | 📍 802316 | Koilwar | Branch Post Office |
| 823 | Mahuli | Mahuli BO | 📍 802312 | Arrah | Branch Post Office |
| 824 | Mahuli Buzurg | Chhotka Sasaram BO | 📍 802157 | Udwant Nagar | Branch Post Office |
| 825 | Mahuli Khurd | Karisath BO | 📍 802157 | Udwant Nagar | Branch Post Office |
| 826 | Mahurahi | Sheopurkunai BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 827 | Mahwari | Agiaon Bazar SO | 📍 802202 | Piro | Post Office - PO |
| 828 | Mainpura | Mainpura BO | 📍 802156 | Arrah | Branch Post Office |
| 829 | Majhauli | Mahulighat BO | 📍 802316 | Barhara | Branch Post Office |
| 830 | Majhauwan | Bagmajhauan BO | 📍 802163 | Koilwar | Branch Post Office |
| 831 | Majhiawan | Majhiaon BO | 📍 802223 | Charpokhari | Branch Post Office |
| 832 | Makhdumpur | Belauti BO | 📍 802154 | Behea | Branch Post Office |
| 833 | Makhdumpur | Phuhan BO | 📍 802163 | Koilwar | Branch Post Office |
| 834 | Makhdumpur Dumra | Barka Dumra BO | 📍 802312 | Arrah | Branch Post Office |
| 835 | Makhdumpur Semra | Rajapur BO | 📍 802155 | Koilwar | Branch Post Office |
| 836 | Makundpur | Mukundpur BO | 📍 802223 | Charpokhari | Branch Post Office |
| 837 | Malaur | Malaur BO | 📍 802223 | Charpokhari | Branch Post Office |
| 838 | Malipur | Malaur BO | 📍 802223 | Charpokhari | Branch Post Office |
| 839 | Malthar | Ashni Jaitpur BO | 📍 802210 | Udwant Nagar | Branch Post Office |
| 840 | Malwe | Sheopur BO | 📍 802204 | Tarari | Branch Post Office |
| 841 | Mana Chak | Purana Haripur BO | 📍 802163 | Koilwar | Branch Post Office |
| 842 | Manaini | Lahritiwaridih BO | 📍 802207 | Piro | Branch Post Office |
| 843 | Manaini | Majhiaon BO | 📍 802223 | Charpokhari | Branch Post Office |
| 844 | Mandura | Barnaon BO | 📍 802203 | Garhani | Branch Post Office |
| 845 | Manduri | Ichari BO | 📍 802203 | Garhani | Branch Post Office |
| 846 | Mangatpur | Chhotka Sasaram BO | 📍 802157 | Udwant Nagar | Branch Post Office |
| 847 | Mangitpur | Bihia SO | 📍 802152 | Jagdishpur | Post Office - PO |
| 848 | Mangura | Siaruan BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 849 | Manhtati | Kakila BO | 📍 802158 | Jagdishpur | Branch Post Office |
| 850 | Maniach | Maniachh BO | 📍 802206 | Sandesh | Branch Post Office |