3401 postal code
PhilippinesUpdated 2026-11-09Diffun, Cagayan ValleyProvince of Quirino4 digits
Postal code details
1 placeCode
3401
Place
Diffun
Region
Cagayan Valley
County
Province of Quirino
Coordinates
16.59, 121.5057
Accuracy
4 / 6
Country
Philippines
Location
OpenStreetMap ↗
16.59, 121.5057© OpenStreetMap
Ad slot · 300×250
Places under this code
1| Place | Region | County | Coordinates |
|---|---|---|---|
| Diffun | Cagayan Valley | Province of Quirino | 16.59, 121.5057 |
Same code in other countries
4| Country | Place | Region |
|---|---|---|
| AL Albania | Librazhd 1 | Qarku i Elbasanit |
| AM Armenia | Meghri | Syunik |
| AR Argentina | ARROYO PELON | Corrientes |
| AU Australia | Blackheath | Victoria |
FAQ
Which city is 3401 in?
Diffun, Cagayan Valley, Philippines.
What are the coordinates of 3401?
16.59, 121.5057
Is 3401 used in other countries?
Yes, 4 other countries.
Updated 2026-11-09. Attribution in Data & license.