DISTRICT / BRANCH CODES 
JHK1870            JAMATRA
JHK1880            PAMALU
JHK1890            CHATRA
JHK1900            LATEHAR
JHK1910            LOHARDAGA
JHK1920            GUMLA
JHK1930            SIMDEGA
JHK1940            RANCHI
1. JHK1940 04 Ranchi Mahanagar
2. JHK1940 05 Ranchi Madhya
JHK1950            EAST SINGHBHUM
3. JHK1950 01 Jamshedpur
JHK1960            SARAIKELA
JHK1970            WEST SINGHBHUM
JHK1980            GARWA
JHK1990            HAZARIBAGH
4. JHK1990 01 Hazaribagh
 JHK1991           RAMGARH
5  JHK1991 01     Ramgarh
JHK2000          BOKARO
6. JHK2000 01 Bokaro Steel City North
7. JHK2000 02 Bokaro Steel City South
8. JHK2000 03 Chandrapura
9. JHK2000 04 Bokaro Thermal 
JHK2010            KODARMA
10. JHK2010 01 Jhumri Talaiya
JHK2020           GIRIDIH
11. JHK2020 01 Giridih
JHK2030           DHANBAD
12. JHK2030 01 Dhanbad Main
13. JHK2030 02 Dhanbad North
14. JHK2030 05 Jharia
15. JHK2030 08 Maithon
16. JHK2030 09 Sindri
JHK2040        DEOGHAR
17 JHK2040 01 Deoghar
 JHK2050       DUMKA
18. JHK2050 02 Dumka
JHK2060            GODDA
JHK2070            PAKUR
JHK2080            SAHEBGANJ