Registry / United Kingdom / England / Hertfordshire / Allen's Green

Allen's Green postal code CM21

Verified postal identifier in Hertfordshire, United Kingdom. Technical profile with precision geocoding and administrative hierarchy.

Verified data profile for Allen's Green

Based on 1 records, 1 postal code values and 1 mapped localities. Coordinate coverage is 100.0%.

Records

Postal identifiers

100.0%

Geocoded

CM21

Example code

Postal code	Locality	Administrative path	Coordinates
CM21	Allen's Green	England / Hertfordshire	51.8167, 0.15

Validation and related lookup paths

Use this page to confirm that CM21 belongs to Allen's Green inside United Kingdom. For applications, validate the original postal code string together with the country and administrative hierarchy instead of relying on a global numeric pattern.

United Kingdom country lookup

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Prefix CM2

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England

Parent administrative area.

Hertfordshire

Parent administrative area.

Verified Technical Data

Postal Identifier	CM21
Locality Name	Allen's Green
Administrative L1	England
Administrative L2	Hertfordshire
Spatial Coordinates	LAT: 51.8167 LNG: 0.15

Spatial Verification Map

Centroid Location: The marker represents the verified geographic centroid for the CM21 identifier area.

Geographic & Administrative Context

The postal identifier CM21 is under the regional jurisdiction of United Kingdom. Within this territory, it is specifically managed as part of the England » Hertfordshire » Allen's Green administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.