Postal Code Finder
Registry / United Kingdom / Postal code prefixes / RM1 / RM12 /

Postal code RM12 in Elm Park, United Kingdom

Postal code RM12 is mapped to 3 locality records in United Kingdom with administrative hierarchy and coordinates.

Verified data profile for Postal code RM12

Based on 3 records, 1 postal code values and 3 mapped localities. Coordinate coverage is 100.0%.

3
Records
1
Postal identifiers
100.0%
Geocoded
RM12
Example code
Postal code Locality Administrative path Coordinates
RM12 Elm Park England / Greater London 51.5497, 0.2014
RM12 Havering England / Greater London 51.5532, 0.2075
RM12 Hornchurch England / Greater London 51.5568, 0.2166

Related postal lookups

United Kingdom
country
Postal code prefixes
code_index
Prefix RM1
code_prefix · 11 records
RH9
nearby_postal_code · 2 records
RM1
nearby_postal_code · 1 records
RM10
nearby_postal_code · 1 records
RM11
nearby_postal_code · 1 records
RM13
nearby_postal_code · 3 records
RM14
nearby_postal_code · 4 records

Postal code validation data

Use this page to validate one postal code or locality against real parent areas, nearby records and downloadable source rows. The canonical route for this record set is /postal-codes/united-kingdom/code/rm12.

Records
3
Database rows represented by this canonical route.
Postal identifiers
1
Distinct postal code values available for this page.
Localities
3
Mapped place names or administrative entries.
Coordinate coverage
100.0%
Rows with latitude and longitude available.
Example
RM12
Sample code from Elm Park.
Code Place Hierarchy
RM12 Elm Park England / Greater London
RM12 Havering England / Greater London
RM12 Hornchurch England / Greater London
Download postal data
CSV, JSON and XLSX exports for research, validation and data products.
Use the API
Query postal codes by country, place name, region or code prefix.
Implementation notes
Field definitions, canonical paths and practical lookup guidance.

Useful related pages

United Kingdom
country
Postal code prefixes
code_index
Prefix RM1
code_prefix · 11 records
RH9
nearby_postal_code · 2 records
RM1
nearby_postal_code · 1 records
RM10
nearby_postal_code · 1 records
RM11
nearby_postal_code · 1 records
RM13
nearby_postal_code · 3 records
RM14
nearby_postal_code · 4 records

Data questions

How should I validate RM12?

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.

Postal code range

This code belongs to the RM1 prefix range for United Kingdom.

View all RM1 postal codes

How to validate postal code RM12

Treat RM12 as a text value, not a number. Postal identifiers can contain leading zeroes, spaces or letters in other countries, so applications should validate the country and original string together. For this page, the code is valid when it appears with one of the mapped localities below and the administrative path belongs to United Kingdom.

United Kingdom lookup
Open the country-level hierarchy and dataset exports.
Browse all prefixes
Compare this code with neighboring country ranges.
Prefix RM1
View related codes in the same prefix range.

Mapped localities

Elm Park
England / Greater London
51.5497, 0.2014
Havering
England / Greater London
51.5532, 0.2075
Hornchurch
England / Greater London
51.5568, 0.2166

Common lookup mistakes

A postal code can map to more than one locality record, and the same locality name can appear in different administrative areas. Always compare the country, postal code, place name and region together before treating a match as final.

Coordinates on this page are useful for map previews and approximate area checks. They should be read as locality or postal-area centroids, not as exact delivery addresses. For bulk validation, download the country dataset and keep this canonical URL as the human-readable reference for the code.

Nearby postal code lookups

These neighboring identifiers help compare adjacent code ranges inside United Kingdom. Each link opens a canonical postal-code page with its mapped places and administrative context.

RH9
Godstone
RM1
Romford
RM10
Dagenham
RM11
Hornchurch
RM13
Rainham
RM14
Bulphan
RM15
Aveley
RM16
Baker Street