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Naguilian Postal Codes: 2511 | La Union, Ilocos Region

The Postal Codes (ZIP Codes) for Naguilian is 2511 in La Union, Ilocos Region, La Union, Philippines. The table below lists Postal Codes and postcodes for places within Naguilian.

Postal Codes for Places in Naguilian

Showing 37 places in Naguilian. Last verified with official records on April 20, 2026.

Aguioas
Al-Alinao Norte
Al-Alinao Sur
Ambaracao Norte
Ambaracao Sur
Angin
Balecbec
Bancagan
Baraoas Norte
Baraoas Sur
Bariquir
Bato
Bimmotobot
Cabaritan Norte
Cabaritan Sur
Casilagan
Dal-Lipaoen
Daramuangan
Guesset
Gusing Norte
Gusing Sur
Imelda
Lioac Norte
Lioac Sur
Magungunay
Mamat-Ing Norte
Mamat-Ing Sur
Nagsidorisan
Natividad
Ortiz
Ribsuan
San Antonio
San Isidro
Sili
Suguidan Norte
Suguidan Sur
Tuddingan

Sample Address Format for Naguilian

Sender
[Sender Name]
[Sender Street Address]
[City, ZIP]
[Country]
Recipient
[Recipient Name]
Street Address / PO Box
Naguilian, La Union, Ilocos Region, 2511
PHILIPPINES

Naguilian on the Map

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

Naguilian Quick Facts

CountryPhilippines (PH)
Administrative PathPhilippines β†’ Ilocos Region β†’ La Union
Postal Code2511
RegionIlocos Region
ProvincesLa Union
ISO CodesPH / PHL / 608
Top-level domain (ccTLD).ph
Coordinates16.531338, 120.394122
Places37

What to Know About Naguilian

Key Facts

Naguilian is a municipality located in the province of La Union within the Ilocos Region of the Philippines. Situated in the central-eastern part of La Union, Naguilian serves as an important inland municipality that connects the coastal areas with the mountainous interior regions. The municipality covers a land area of approximately 104.60 square kilometers and has a population of around 54,000 people according to recent census data. Naguilian is administratively divided into 37 barangays, which represent the smallest local government units in the Philippine system. The municipality features a diverse landscape that transitions from the lowland plains to the foothills of the Cordillera mountain range, contributing to its agricultural productivity and natural resources. As an inland municipality, Naguilian plays a crucial role in regional trade and transportation networks while maintaining its distinct cultural identity within the broader Ilocano region. For residents and visitors seeking detailed location information, postal code data for Naguilian's barangays can be accessed through official municipal records and regional postal services.

Neighboring Regions

  • Bauang
  • Burgos
  • Bagulin
  • Santol
  • San Gabriel

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