TW6 3 postcode sector in the TW6 district

TW6 3 is a sector of the TW6 district: every postcode that starts TW6 3. It has 34 postcodes in use, 17 of them large-user postcodes. A large-user postcode is one Royal Mail gives to a single address that gets a lot of mail.

Not sure what a sector is? UK postcode format explained.

Every postcode in the TW6 3 sector, and which are new since 2020

Map of every postcode in the TW6 3 sector, by new since 2020 Of the 34 postcodes in the TW6 3 sector that ONS places, 34 were in use before 2020. Places named: Stanwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A30 TW6 3AE: before 2020TW6 3AF: before 2020TW6 3AQ: before 2020TW6 3FB: before 2020TW6 3FD: before 2020TW6 3FE: before 2020TW6 3FH: before 2020TW6 3FJ: before 2020TW6 3JF: before 2020TW6 3JJ: before 2020TW6 3LW: before 2020TW6 3PF: before 2020TW6 3PR: before 2020TW6 3QY: before 2020TW6 3RE: before 2020TW6 3RG: before 2020TW6 3RN: before 2020TW6 3RT: before 2020TW6 3SF: before 2020TW6 3SH: before 2020TW6 3SJ: before 2020TW6 3SN: before 2020TW6 3SY: before 2020TW6 3UA: before 2020TW6 3XA: before 2020TW6 3XE: before 2020TW6 3XL: before 2020TW6 3YH: before 2020 Stanwell Map of every postcode in the TW6 3 sector, by new since 2020 Of the 34 postcodes in the TW6 3 sector that ONS places, 34 were in use before 2020. Places named: Stanwell. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A315 Stanwell
  • New since 2020: 0
  • In use before 2020: 34

Of the 34 postcodes in the TW6 3 sector that ONS places, 34 were in use before 2020.

Each mark is a postcode's centre point as ONS gives it, not a building. Press one to see its postcode and open its page. New since 2020 means it came into use in January 2020 or later. No boundary is drawn. Where marks overlap, the one first in the key is drawn; the counts include every postcode.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; when each came into use: the same directory; roads, rivers and built-up areas: Contains OS data © Crown copyright and database right 2026. Drawn by us. Street map: Ordnance Survey, OS Open Zoomstack, Open Government Licence v3.0, drawn with MapLibre. How we use them

Postcodes in TW6 3

Pick a postcode to see its council and MP, broadband, flood risk, what homes sell for, council tax, the nearest schools and stations, and crime around it.

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. Postcodes that have ended are not listed. See all our data sources

What council am I in? The council, borough or local authority for a postcode, and the county council where there is one. What ward am I in? The ward for a postcode, with its council, constituency and parish.

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