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Rosario Postal Codes: 6416 | Northern Samar, Eastern Visayas

The Postal Codes (ZIP Codes) for Rosario is 6416 in Northern Samar, Eastern Visayas, Northern Samar, Philippines. The table below lists Postal Codes and postcodes for places within Rosario.

Postal Codes for Places in Rosario

Showing 11 places in Rosario. Last verified with official records on April 20, 2026.

Aguada
Bantolinao
Buenavista
Commonwealth
Guindaulan
Jamoog
Kailingan
Ligaya
Poblacion
Salhag
San Lorenzo

Sample Address Format for Rosario

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Rosario, Northern Samar, Eastern Visayas, 6416
PHILIPPINES

Rosario on the Map

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

Rosario Quick Facts

CountryPhilippines (PH)
Administrative PathPhilippines β†’ Eastern Visayas β†’ Northern Samar
Postal Code6416
RegionEastern Visayas
ProvincesNorthern Samar
ISO CodesPH / PHL / 608
Top-level domain (ccTLD).ph
Coordinates12.52257, 124.4253
Places11

What to Know About Rosario

Key Facts

Rosario is a municipality located in the province of Northern Samar, within the Eastern Visayas region of the Philippines. Situated in the northwestern part of Northern Samar, Rosario occupies a strategic position along the coastal areas facing the Samar Sea. The municipality covers approximately 31.6 square kilometers of land area and serves as an important local administrative center for its surrounding communities. According to recent census data, Rosario has a population of around 10,000 to 12,000 residents who primarily engage in agriculture, fishing, and local commerce. The municipality is organized into several barangays, which represent the smallest administrative divisions in the Philippine system, providing local governance and services to residents. The terrain of Rosario features a combination of coastal plains and rolling hills, with agricultural lands dedicated to coconut cultivation, rice farming, and other crops typical of the region. As part of Northern Samar's municipal network, Rosario plays a vital role in the local economy and serves as an access point for postal and communication services connecting residents with the broader provincial and regional infrastructure. For those seeking detailed postal code information and delivery services within Rosario's barangays, comprehensive municipal-level data is available through regional postal authorities.

Neighboring Regions

  • Mondragon
  • San Roque
  • Pambujan
  • Laoang

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