Philippines flag

Cauayan Postal Codes: 3305 | Isabela, Cagayan Valley

The Postal Codes (ZIP Codes) for Cauayan is 3305 in Isabela, Cagayan Valley, Isabela, Philippines. The table below lists Postal Codes and postcodes for places within Cauayan.

Postal Codes for Places in Cauayan

Showing 65 places in Cauayan. Last verified with official records on April 20, 2026.

Alicaocao
Alinam
Amobocan
Andarayan
Baculod
Baringin Norte
Baringin Sur
Buena Suerte
Bugallon
Buyon
Cabaruan
Cabugao
Carabatan Bacareno
Carabatan Chica
Carabatan Grande
Carabatan Punta
Casalatan
Cassap Fuera
Catalina
Culalabat
Dabburab
De Vera
Dianao
Disimuray
District I
District II
District III
Duminit
Faustino
Gagabutan
Gappal
Guayabal
Labinab
Linglingay
Mabantad
Maligaya
Manaoag
Marabulig I
Marabulig II
Minante I
Minante II
Naganacan
Nagcampegan
Nagrumbuan
Nungnungan I
Nungnungan II
Pinoma
Rizal
Rogus
San Antonio
San Fermin
San Francisco
San Isidro
San Luis
San Pablo
Santa Luciana
Santa Maria
Sillawit
Sinippil
Tagaran
Turayong
Union
Villa Concepcion
Villa Luna
Villaflor

Sample Address Format for Cauayan

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Cauayan, Isabela, Cagayan Valley, 3305
PHILIPPINES

Cauayan on the Map

The map above highlights the geographic boundaries of the Cauayan municipalities in Philippines.

Cauayan Quick Facts

CountryPhilippines (PH)
Administrative PathPhilippines β†’ Cagayan Valley β†’ Isabela
Postal Code3305
RegionCagayan Valley
ProvincesIsabela
ISO CodesPH / PHL / 608
Top-level domain (ccTLD).ph
Coordinates16.934598, 121.77444
Places65

What to Know About Cauayan

Key Facts

Cauayan is a component city located in the province of Isabela within the Cagayan Valley region of the Philippines. Situated in the central part of Isabela province, Cauayan occupies a strategic position along the Cagayan River basin, approximately 365 kilometers north of Manila. With a land area of approximately 336.40 square kilometers, the city serves as an important economic and transportation hub in the region. According to recent census data, Cauayan has a population of around 143,000 people, making it one of the more populous urban centers in Isabela. The city is administratively divided into 65 barangays, which represent the smallest local government units in the Philippine system. Cauayan has experienced significant growth in recent decades, particularly after being declared a component city in 2001, transforming from a primarily agricultural municipality into a diversified urban center with growing commercial and industrial sectors. The city's economy benefits from its position as a regional center for trade, education, and government services, while still maintaining strong agricultural roots in rice and corn production. For those seeking detailed postal code information and location data for Cauayan's various barangays and districts, comprehensive resources are available to assist with navigation and address verification throughout the city.

Neighboring Regions

  • Alicia
  • Angadanan
  • Benito Soliven
  • Luna
  • Naguilian
  • Reina Mercedes
  • San Guillermo
  • San Mateo

Page updated: