Postal Code 4505 - Oas, Bicol, Philippines
Postal Code: 4505
Postal System Details
Postal Authority
Philippine Postal Corporation (PHLPost)
Postal System
Four-digit numeric postal code
Region Structure
Region → Province → City/Municipality → Barangay
Area Information
The postal code 4505 is part of the Philippines’ four-digit postal system, managed by the Philippine Postal Corporation (PHLPost), the national postal authority of Philippines. Philippine postal codes follow the pattern X X X X, such as 1 0 0 X (example only). The first digit represents the regional grouping, while the remaining digits define province, city/municipality, and barangay-level delivery zones. This code applies to Oas in the Bicol region, positioned near latitude 13.2593 and longitude 123.4963. Postal routing follows Region → Province → City/Municipality → Barangay. A general example: - Region: Bicol - Province: (Example: Central Provincial Area) - City/Municipality: Oas - Barangay: Defined by the final digit This page aligns with principles used by PHLPost. Examples shown are illustrative. For accurate delivery, ensure the city/municipality and barangay align with Oas, Bicol, Philippines.
Country:
Philippines
State:
Bicol
Area:
Oas
Postal Code:
4505
Latitude:
13.2593
Longitude:
123.4963
Frequently Asked Questions
1. What area does 4505 cover in the Philippines?
It identifies the barangay-level delivery zone within Oas, Bicol, under PHLPost.
2. How do postal codes work in the Philippines?
They use a four-digit system defining region, province, city/municipality, and barangay routing.
3. Can this code be used for verifying addresses?
Yes—if city/municipality and barangay match Oas, Bicol.
4. Which authority manages postal codes in the Philippines?
PHLPost manages all postal code assignments and routing nationwide.