<Tr> <Td> Karachi Malir Colony </Td> <Td> 75080 </Td> <Td> Karachi </Td> <Td> Sindh </Td> </Tr> <Tr> <Td> Karachi Board Office </Td> <Td> 75990 </Td> <Td> Karachi </Td> <Td> Sindh </Td> </Tr> <Tr> <Td> Karachi City GPO </Td> <Td> 74000 </Td> <Td> Karachi </Td> <Td> Sindh </Td> </Tr> <Tr> <Td> Karachi Defence </Td> <Td> 75500 </Td> <Td> Karachi </Td> <Td> Sindh </Td> </Tr>

Postal code of karachi north nazimabad block b