Diliman 1101
The postal code of Old Balara, Quezon City is 1119.
1105
1104
Philippines -> Quezon City -> Holy Spirit
2000
1121 for Commonwealth Avenue but sometimes it could be 1101 for Technohub although it's location is at Commonwealth.
1106
1118
the postal code for Sariaya, Quezon is 4322.
4331
4323
It's 1119 for Old Balara / Matandang Balara:)