How should I validate 4540-030?

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 / 4540-030 /

Postal code 4540-030 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 4540-030 →

Province / County / District

Arouca

Region & Locality

Chã, Aveiro (Portugal)

📦 How to Write a Mailing Address for 4540-030

Nome do Destinatário
Avenida da Liberdade 100, 2º Esq.
4540-030 CHã
PORTUGAL

1 Place

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 4540-030.

Postal Identifier	4540-030
Primary Locality	Chã
WGS84 Centroid Coordinates	40.9544, -8.3819
Postal Prefix Sector	45xx → Browse prefix 45
Time Zone (Standard)	UTC+0 / UTC+1 (WET/WEST · Europe/Lisbon)
Geodesic Quadrant	40.9544° N, 8.3819° W (WGS84)
Open Location Code (Plus Code)	8CGHXJ39+Q6
UTM Grid Coordinates (WGS84)	29T 552019m E, 4533879m N
Solar Daylight Today (UTC)	🌅 06:50 UTC · 🌇 17:46 UTC
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