M3 Manchester

M3 is a postcode district associated with Salford. These profiles combine postcode-district records with wider-area context. The legacy composite score is experimental; source dates and limitations are listed below.

This page covers the M3 postcode district, which includes all postcodes starting with M3 (e.g. M3 3RG, M3 4AB, M3 5XX). All postcodes within M3 share the same district-level data.

Data last updated October 2026 · Official UK government sources