Postcode CO12 4GX

Harwich, Tendring, East of England

Postcode

CO12 4GX

Street postcode · in use since 2025

Sector · District · Area

CO12 4GX is a live postcode in Harwich, in the Tendring local authority, East of England. It belongs to postcode sector CO12 4, district CO12 and the CO area (Colchester).

CO12 4GX at a glance

Postcode: CO12 4GX
Place: Harwich (town)
Local authority: Tendring
Region: East of England
Nation: England
Ward: Dovercourt Tollgate
Constituency: Harwich and North Essex
Coordinates: 51.92499, 1.24417

Location

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How to write an address in CO12 4GX

[Number] [Street name]
HARWICH
CO12 4GX

Nearby postcodes

Postcode	Place	Distance
CO12 3TX	Harwich	under 1 km
CO12 3UH	Harwich	under 1 km
CO12 3TQ	Harwich	under 1 km
CO12 5DN	Harwich	under 1 km
CO12 5DQ	Harwich	under 1 km
CO12 3UL	Harwich	under 1 km
CO12 3UJ	Harwich	under 1 km
CO12 5DR	Harwich	under 1 km
CO12 3UF	Harwich	under 1 km
CO12 3UD	Harwich	under 1 km

Frequently asked questions

Where is postcode CO12 4GX?

CO12 4GX is in Harwich, East of England. It is part of the CO12 postcode district, within the CO area (Colchester).

Which council covers CO12 4GX?

Addresses in CO12 4GX fall under Tendring, in the Dovercourt Tollgate ward.

How do I write the postcode CO12 4GX?

Write it in capitals as CO12 4GX, with one space between the outward code CO12 and the inward code 4GX, on the last line of the address.