SG17 9 postcode sector in the SG17 district

SG17 9 is a sector of the SG17 district: every postcode that starts SG17 9. It has 56 postcodes in use, 56 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 SG17 9 sector, and which are new since 2020

Map of every postcode in the SG17 9 sector, by new since 2020 Of the 56 postcodes in the SG17 9 sector that ONS places, 1 are new since 2020 and 55 were in use before 2020. Places named: Shefford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A600 SG17 9SA: before 2020SG17 9SL: before 2020SG17 9AZ: new since 2020 Shefford Map of every postcode in the SG17 9 sector, by new since 2020 Of the 56 postcodes in the SG17 9 sector that ONS places, 1 are new since 2020 and 55 were in use before 2020. Places named: Shefford. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 500 m. A507A600 Shefford
  • New since 2020: 1
  • In use before 2020: 55

Of the 56 postcodes in the SG17 9 sector that ONS places, 1 are new since 2020 and 55 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. Names in italics are council wards: we hold no town or village names here.

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

The newest postcode

SG17 9AZMay 2026

Postcodes in SG17 9

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.

SG17 9APSG17 9AZSG17 9SASG17 9SBSG17 9SDSG17 9SESG17 9SFSG17 9SGSG17 9SHSG17 9SJSG17 9SLSG17 9SNSG17 9SPSG17 9SQSG17 9SRSG17 9SSSG17 9STSG17 9SUSG17 9SWSG17 9SXSG17 9SYSG17 9SZSG17 9TASG17 9TBSG17 9TDSG17 9TESG17 9TFSG17 9TGSG17 9THSG17 9TJSG17 9TLSG17 9TNSG17 9TPSG17 9TQSG17 9TRSG17 9TSSG17 9TTSG17 9TUSG17 9TWSG17 9TXSG17 9TYSG17 9TZSG17 9UASG17 9UBSG17 9UDSG17 9UESG17 9UFSG17 9UGSG17 9UHSG17 9UJSG17 9ULSG17 9UNSG17 9UPSG17 9UQSG17 9URSG17 9ZZ

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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