Northern Samar ZIP Codes by Municipality (6400–6423)

Northern Samar is a province in the Eastern Visayas Region of the Philippines. Its ZIP codes range from 6400 to 6423, which are used by the Philippine Postal Corporation (PHLPost) to ensure mail, parcels, and forms reach the correct destination quickly and efficiently.

Key Information About Northern Samar

Item	Details
Province	Northern Samar
ZIP Code Range	6400 – 6423
Area Code	55
ISO Code	PH-NSA
Capital / Seat	Catarman
Country	Philippines
Region	Asia

For more details on the list of Postcodes or ZIP codes in Northern Samar province, find the code along with the municipality.

ZIP Codes of Northern Samar by Municipality

Municipality	ZIP Code	Area Code
Catarman	6400	55
Bobon	6401	55
San Jose	6402	55
Lope de Vega	6403	55
Lavezares	6404	55
Allen	6405	55
Victoria	6406	55
San Antonio	6407	55
Capul	6408	55
San Isidro	6409	55
Biri	6410	55
Laoang	6411	55
Mapanas	6412	55
Pambujan	6413	55
Silvino Lobos	6414	55
San Roque	6415	55
Rosario	6416	55
Mondragon	6417	55
Catubig	6418	55
San Vicente	6419	55
Las Navas	6420	55
Palapag	6421	55
Gamay	6422	55
Lapinig	6423	55

About Northern Samar ZIP Code

Each municipality in Northern Samar has a unique ZIP code, also referred to as a postal code. Using the correct code ensures that deliveries, official forms, and parcels are sent accurately. For towns like Catarman, Palapag, and San Jose, including the proper ZIP code is crucial for faster and reliable mail service.