The following are the zip codes in the municipalities and cities of Quezon.
| Region | Provinces | City/Municipality | Zip Code |
| Region 4A (CALABARZON) | Quezon | Quezon Capitol | 4300 |
| Region 4A (CALABARZON) | Quezon | San Narciso | 4313 |
| Region 4A (CALABARZON) | Quezon | Pitogo | 4308 |
| Region 4A (CALABARZON) | Quezon | Plaridel | 4306 |
| Region 4A (CALABARZON) | Quezon | Polilio | 4339 |
| Region 4A (CALABARZON) | Quezon | Quezon | 4332 |
| Region 4A (CALABARZON) | Quezon | Real | 4335 |
| Region 4A (CALABARZON) | Quezon | Sampaloc | 4329 |
| Region 4A (CALABARZON) | Quezon | San Andres | 4314 |
| Region 4A (CALABARZON) | Quezon | San Antonio | 4324 |
| Region 4A (CALABARZON) | Quezon | San Francisco | 4315 |
| Region 4A (CALABARZON) | Quezon | Sariaya | 4322 |
| Region 4A (CALABARZON) | Quezon | Tagkawayan | 4321 |
| Region 4A (CALABARZON) | Quezon | Tayabas | 4327 |
| Region 4A (CALABARZON) | Quezon | Tiaong | 4325 |
| Region 4A (CALABARZON) | Quezon | Unisan | 4305 |
| Region 4A (CALABARZON) | Quezon | Hondagua | 4317 |
| Region 4A (CALABARZON) | Quezon | Panukulan | 4337 |
| Region 4A (CALABARZON) | Quezon | Gumaca | 4307 |
| Region 4A (CALABARZON) | Quezon | Infanta | 4336 |
| Region 4A (CALABARZON) | Quezon | Jomalig | 4342 |
| Region 4A (CALABARZON) | Quezon | Lopez | 4316 |
| Region 4A (CALABARZON) | Quezon | Lucban | 4328 |
| Region 4A (CALABARZON) | Quezon | Lucena City | 4301 |
| Region 4A (CALABARZON) | Quezon | Macalelon | 4309 |
| Region 4A (CALABARZON) | Quezon | Mauban | 4330 |
| Region 4A (CALABARZON) | Quezon | Mulanay | 4312 |
| Region 4A (CALABARZON) | Quezon | Padre Burgos | 4303 |
| Region 4A (CALABARZON) | Quezon | Pagbilao | 4302 |
| Region 4A (CALABARZON) | Quezon | Patnanungan | 4341 |
| Region 4A (CALABARZON) | Quezon | Perez | 4334 |
| Region 4A (CALABARZON) | Quezon | Agdangan | 4304 |
| Region 4A (CALABARZON) | Quezon | Alabat | 4333 |
| Region 4A (CALABARZON) | Quezon | Atimonan | 4331 |
| Region 4A (CALABARZON) | Quezon | Buenavista | 4320 |
| Region 4A (CALABARZON) | Quezon | Burdeos | 4340 |
| Region 4A (CALABARZON) | Quezon | Calauag | 4318 |
| Region 4A (CALABARZON) | Quezon | Candelaria | 4323 |
| Region 4A (CALABARZON) | Quezon | Catanauan | 4311 |
| Region 4A (CALABARZON) | Quezon | Dolores | 4326 |
| Region 4A (CALABARZON) | Quezon | General Nakar | 4338 |
| Region 4A (CALABARZON) | Quezon | General Luna | 4310 |
| Region 4A (CALABARZON) | Quezon | Guinayangan | 4319 |
