| Timezone | Philippine Time |
| Area | 1,312.6 km² |
| Population | 4.7 million |
| Population Density | 3,617 / km² |
|
| Zip Codes | 2151, 2400, 2401 (105 more) |
| Area Codes | 72, 75, 77 (1 more) |
| Businesses in Ilocos Region | 27,813 |
| Cities | 106 |
108 Zip Codes in Ilocos Region
| Zip Code | City | Administrative Region | City Population |
|---|
| 2151 | Bacnotan | Ilocos Region | 3,142 |
| 2400 | Dagupan | Ilocos Region | — |
| 2401 | Lingayen, Pangasinan | Ilocos Region | 56,580 |
| 2402 | Labrador | Ilocos Region | — |
| 2403 | Sual, Pangasinan | Ilocos Region | 5,290 |
| 2404 | Alaminos, Pangasinan | Ilocos Region | 10,488 |
| 2405 | Anda, Pangasinan | Ilocos Region | 3,160 |
| 2407 | Bani, Pangasinan | Ilocos Region | — |
| 2408 | Agno, Pangasinan | Ilocos Region | 2,638 |
| 2410 | Burgos, Pangasinan | Ilocos Region | — |
| 2411 | Dasol, Pangasinan | Ilocos Region | 3,892 |
| 2412 | Infanta, Pangasinan | Ilocos Region | 3,161 |
| 2413 | Mangatarem, Pangasinan | Ilocos Region | 12,392 |
| 2414 | Urbiztondo, Pangasinan | Ilocos Region | 12,734 |
| 2415 | Aguilar, Pangasinan | Ilocos Region | 9,801 |
| 2416 | Bugallon, Pangasinan | Ilocos Region | 12,033 |
| 2417 | Binmaley, Pangasinan | Ilocos Region | 44,026 |
| 2418 | Calasiao, Pangasinan | Ilocos Region | 24,276 |
| 2419 | Santa Barbara, Pangasinan | Ilocos Region | 15,445 |
| 2420 | San Carlos, Pangasinan | Ilocos Region | — |
| 2421 | Malasiqui, Pangasinan | Ilocos Region | — |
| 2422 | Basista, Pangasinan | Ilocos Region | 2,781 |
| 2423 | Bayambang, Pangasinan | Ilocos Region | 15,859 |
| 2424 | Bautista, Pangasinan | Ilocos Region | 3,097 |
| 2427 | Villasis, Pangasinan | Ilocos Region | 13,122 |
| 2428 | Urdaneta, Pangasinan | Ilocos Region | 101,037 |
| 2429 | Mapandan, Pangasinan | Ilocos Region | 11,165 |
| 2430 | Manaoag, Pangasinan | Ilocos Region | 59,115 |
| 2431 | San Jacinto, Pangasinan | Ilocos Region | 10,529 |
| 2432 | Mangaldan, Pangasinan | Ilocos Region | 88,818 |
| 2433 | San Fabian, Pangasinan | Ilocos Region | — |
| 2434 | Sison, Pangasinan | Ilocos Region | 9,256 |
| 2435 | Pozorrubio, Pangasinan | Ilocos Region | — |
| 2437 | Sumabnit | Ilocos Region | 4,296 |
| 2438 | San Manuel, Pangasinan | Ilocos Region | — |
| 2439 | Asingan, Pangasinan | Ilocos Region | 8,887 |
| 2441 | Carmen | Ilocos Region | 10,250 |
| 2442 | Balungao, Pangasinan | Ilocos Region | — |
| 2443 | Umingan, Pangasinan | Ilocos Region | 4,792 |
| 2444 | San Quintin, Pangasinan | Ilocos Region | — |
| 2445 | Tayug, Pangasinan | Ilocos Region | 11,611 |
| 2446 | Natividad, Pangasinan | Ilocos Region | 5,828 |
| 2500 | San Fernando, La Union | Ilocos Region | 83,003 |
| 2501 | Bauang | Ilocos Region | 17,109 |
| 2502 | Caba, La Union | Ilocos Region | 4,806 |
| 2503 | Aringay | Ilocos Region | 29,825 |
| 2504 | Agoo | Ilocos Region | — |
| 2505 | Santo Tomas, La Union | Ilocos Region | — |
| 2507 | Damortis | Ilocos Region | 2,272 |
| 2509 | Tubao | Ilocos Region | — |
| 2512 | Bagulin | Ilocos Region | 2,083 |
| 2513 | San Gabriel, La Union | Ilocos Region | 4,717 |
| 2515 | Bacnotan | Ilocos Region | 3,142 |
| 2516 | Santol, La Union | Ilocos Region | — |
| 2517 | Balaoan | Ilocos Region | 2,928 |
| 2518 | Luna, La Union | Ilocos Region | — |
| 2519 | Bangar, La Union | Ilocos Region | 11,068 |
| 2700 | Vigan | Ilocos Region | 48,545 |
| 2701 | Santa Catalina, Ilocos Sur | Ilocos Region | — |
| 2702 | Caoayan | Ilocos Region | 3,386 |
| 2703 | Santa, Ilocos Sur | Ilocos Region | 2,283 |
| 2704 | Narvacan | Ilocos Region | 3,019 |
| 2705 | Santa Maria, Ilocos Sur | Ilocos Region | 3,651 |
| 2706 | San Esteban, Ilocos Sur | Ilocos Region | — |
| 2707 | Santiago, Ilocos Sur | Ilocos Region | — |
| 2708 | Banayoyo | Ilocos Region | — |
| 2709 | Galimuyod | Ilocos Region | — |
| 2710 | Candon | Ilocos Region | 11,236 |
| 2712 | Santa Lucia, Ilocos Sur | Ilocos Region | 2,651 |
| 2713 | Suyo | Ilocos Region | — |
| 2714 | Pudoc | Ilocos Region | 2,815 |
| 2716 | Alilem | Ilocos Region | — |
| 2717 | Sugpon | Ilocos Region | — |
| 2718 | Cervantes, Ilocos Sur | Ilocos Region | 3,099 |
| 2719 | Sigay | Ilocos Region | 2,419 |
| 2720 | Gregorio del Pilar, Ilocos Sur | Ilocos Region | — |
| 2721 | Quirino, Ilocos Sur | Ilocos Region | — |
| 2722 | San Emilio | Ilocos Region | — |
| 2723 | Lidlidda | Ilocos Region | — |
| 2724 | Burgos, Ilocos Sur | Ilocos Region | — |
| 2725 | Nagbukel | Ilocos Region | — |
| 2727 | Bantay | Ilocos Region | 10,091 |
| 2729 | Santo Domingo, Ilocos Sur | Ilocos Region | — |
| 2730 | Magsingal | Ilocos Region | 4,571 |
| 2732 | Cabugao | Ilocos Region | 6,874 |
| 2733 | Sinait | Ilocos Region | 3,123 |
| 2808 | San Quintin | Ilocos Region | — |
| 2813 | Santa Lucia, Ilocos Sur | Ilocos Region | 2,651 |
| 2901 | San Nicolas, Ilocos Norte | Ilocos Region | 34,237 |
| 2902 | Paoay | Ilocos Region | 3,284 |
| 2903 | Currimao | Ilocos Region | — |
| 2906 | Batac | Ilocos Region | 53,542 |
| 2907 | Marcos, Ilocos Norte | Ilocos Region | — |
| 2908 | Banna, Ilocos Norte | Ilocos Region | 3,566 |
| 2909 | Nueva Era, Ilocos Norte | Ilocos Region | — |
| 2910 | Solsona, Ilocos Norte | Ilocos Region | 3,726 |
| 2911 | Carasi | Ilocos Region | — |
| 2912 | Piddig | Ilocos Region | 3,508 |
| 2913 | Dingras | Ilocos Region | 6,866 |
| 2914 | Sarrat | Ilocos Region | 5,822 |
| 2915 | Vintar | Ilocos Region | 5,263 |
| 2916 | Bacarra | Ilocos Region | 9,636 |
| 2917 | Pasuquin | Ilocos Region | 5,768 |
| 2918 | Burgos, Ilocos Norte | Ilocos Region | — |
| 2919 | Pagudpud | Ilocos Region | 4,945 |
| 2920 | Bangui, Ilocos Norte | Ilocos Region | 2,458 |
| 2922 | Adams, Ilocos Norte | Ilocos Region | — |
| 5420 | Lloren | Ilocos Region | 5,800 |
Address Example
Most populated cities in Ilocos Region
