How should I validate 01-420?

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 / Poland / Postal Code prefixes / 01 / 01-420 /

Postal code 01-420 covers 1 verified locality record in Poland with interactive boundary centroid map and administrative hierarchy.

VERIFIED QUICK ANSWER & ADDRESS FORMAT 📏 Calculate Distance & Mail Time from 01-420 →

Province / County / District

Warszawa

Region & Locality

Warszawa, Mazovia (Poland)

📦 How to Write a Mailing Address for 01-420

Recipient Name
Street Address / Building No.
01-420 Warszawa, Mazovia
POLAND

1 Place

Geographic Centroid & Coverage: Highlighted marker and radius show the verified WGS84 postal area centroid for 01-420.

Postal Identifier	01-420
Primary Locality	Warszawa
WGS84 Centroid Coordinates	52.2489, 20.9547
Postal Prefix Sector	01xx → Browse prefix 01
Time Zone (Standard)	UTC+1 / UTC+2 (CET/CEST · Europe/Warsaw)
Geodesic Quadrant	52.2489° N, 20.9547° E (WGS84)
Open Location Code (Plus Code)	9G426XX3+HV
UTM Grid Coordinates (WGS84)	34U 496907m E, 5788723m N
Solar Daylight Today (UTC)	🌅 05:11 UTC · 🌇 15:29 UTC
Distance from Your Location