San Carlos Postal Codes: 6127 | Negros Occidental, Negros Island Region
The Postal Codes (ZIP Codes) for San Carlos is 6127 in Negros Occidental, Negros Island Region, Negros Occidental, Philippines. The table below lists Postal Codes and postcodes for places within San Carlos.
Postal Codes for Places in San Carlos
Showing 18 places in San Carlos. Last verified with official records on April 20, 2026.
| Bagonbon | |
| Barangay I | |
| Barangay II | |
| Barangay III | |
| Barangay IV | |
| Barangay V | |
| Barangay VI | |
| Buluangan | |
| Codcod | |
| Ermita | |
| Guadalupe | |
| Nataban | |
| Palampas | |
| Prosperidad | |
| Punao | |
| Quezon | |
| Rizal | |
| San Juan |
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Sample Address Format for San Carlos
[Sender Street Address]
[City, ZIP]
[Country]
Street Address / PO Box
San Carlos, Negros Occidental, Negros Island Region, 6127
PHILIPPINES
San Carlos on the Map
The map above highlights the geographic boundaries of the San Carlos cities in Philippines.
San Carlos Quick Facts
| Country | Philippines (PH) |
|---|---|
| Administrative Path | Philippines β Negros Island Region β Negros Occidental |
| Postal Code | 6127 |
| Region | Negros Island Region |
| Provinces | Negros Occidental |
| ISO Codes | PH / PHL / 608 |
| Top-level domain (ccTLD) | .ph |
| Coordinates | 10.486048, 123.419039 |
| Places | 18 |
What to Know About San Carlos
Key Facts
San Carlos is a component city located in the province of Negros Occidental within the Negros Island Region of the Philippines. Situated on the northeastern coast of Negros Island, it occupies a strategic position along the Tanon Strait, facing the island of Cebu across the water. The city covers an approximate land area of 451.5 square kilometers and serves as an important urban center in the northern part of the province. With a population of approximately 132,000 people according to recent census data, San Carlos functions as a key economic hub for the surrounding agricultural communities. The city is administratively divided into 18 barangays, which serve as its fundamental political subdivisions. San Carlos has developed into a significant commercial and industrial center, particularly known for its sugar production and processing facilities that support the region's agricultural economy. The city's coastal location has also facilitated maritime trade and transportation connections with neighboring islands. For those seeking detailed postal code information and addressing requirements for San Carlos's various barangays and neighborhoods, comprehensive resources are available to assist with mail delivery and location identification throughout the city's administrative divisions.
Neighboring Regions
- Calatrava
- Toboso
- Don Salvador Benedicto
- Guihulngan