How should I validate 3640-181?

Validate the postal identifier together with country, locality and administrative hierarchy fields, not as a standalone global pattern.

What context is available for this record?

The page includes the parent country, related prefix or nearby codes, coordinates when available and source rows for download/API workflows.

Registry / Portugal / Postal Code prefixes / 36 / 3640-181 /

Postal code 3640-181 covers 1 verified locality record in Portugal with interactive boundary centroid map and administrative hierarchy.

VERIFIED QUICK ANSWER & ADDRESS FORMAT 📏 Calculate Distance & Mail Time from 3640-181 →

Province / County / District

Sernancelhe

Region & Locality

Seixo, Viseu (Portugal)

📦 How to Write a Mailing Address for 3640-181

Nome do Destinatário
Avenida da Liberdade 100, 2º Esq.
3640-181 SEIXO
PORTUGAL

1 Place

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 3640-181.

Postal Identifier	3640-181
Primary Locality	Seixo
WGS84 Centroid Coordinates	40.9414, -7.4396
Postal Prefix Sector	36xx → Browse prefix 36
Time Zone (Standard)	UTC+0 / UTC+1 (WET/WEST · Europe/Lisbon)
Geodesic Quadrant	40.9414° N, 7.4396° W (WGS84)
Open Location Code (Plus Code)	8CGJWHR6+H5
UTM Grid Coordinates (WGS84)	29T 631351m E, 4533424m N
Solar Daylight Today (UTC)	🌅 06:47 UTC · 🌇 17:40 UTC
Distance from Your Location