How should I validate 4540-103?

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

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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 / 45 / 4540-103 /

Postal code 4540-103 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 4540-103 →

Province / County / District

Arouca

Region & Locality

Arouca, Aveiro (Portugal)

📦 How to Write a Mailing Address for 4540-103

Nome do Destinatário
Avenida da Liberdade 100, 2º Esq.
4540-103 AROUCA
PORTUGAL

1 Place

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 4540-103.

Postal Identifier	4540-103
Primary Locality	Arouca
WGS84 Centroid Coordinates	40.9306, -8.2449
Postal Prefix Sector	45xx → Browse prefix 45
Time Zone (Standard)	UTC+0 / UTC+1 (WET/WEST · Europe/Lisbon)
Geodesic Quadrant	40.9306° N, 8.2449° W (WGS84)
Open Location Code (Plus Code)	8CGHWQJ4+62
UTM Grid Coordinates (WGS84)	29T 563572m E, 4531328m N
Solar Daylight Today (UTC)	🌅 06:49 UTC · 🌇 17:45 UTC
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