| Area | Zip |
|---|---|
| Aliaga | 3111 |
| Bongabon | 3128 |
| Cabanatuan City | 3100 |
| Cabiao | 3107 |
| Carranglan | 3123 |
| Central Luzon State University | 3120 |
| Cuyapo | 3117 |
| Fort Magsaysay | 3130 |
| Gabaldon | 3131 |
| Gapan | 3105 |
| General M. Natividad | 3125 |
| General Tinio | 3104 |
| Guimba | 3115 |
| Jaen | 3109 |
| Laur | 3129 |
| Licab | 3112 |
| Llanera | 3126 |
| Lupao | 3122 |
| Muñoz | 3119 |
| Nampicuan | 3116 |
| Palayan City | 3132 |
| Pantabangan | 3124 |
| Peñaranda | 3103 |
| Quezon | 3113 |
| Rizal | 3127 |
| San Antonio | 3108 |
| San Isidro | 3106 |
| San Jose City | 3121 |
| San Leonardo | 3102 |
| Santa Rosa | 3101 |
| Santo Domingo | 3133 |
| Talavera | 3114 |
| Talugtog | 3118 |
| Zaragosa | 3110 |