DE1 9 postcode sector in the DE1 district

DE1 9 is a sector of the DE1 district: every postcode that starts DE1 9. It has 93 postcodes in use, 75 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 DE1 9 sector, and which are new since 2020

Map of every postcode in the DE1 9 sector, by new since 2020 Of the 93 postcodes in the DE1 9 sector that ONS places, 54 are new since 2020 and 39 were in use before 2020. One group of new postcodes is outlined: 54 new postcodes since 2020. One postcode lies beyond the edge and is listed under the map. Places named: Arboretum, Darley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A6A601 DE1 9RB: before 2020DE1 9SJ: before 2020DE1 9AH: new since 2020 ArboretumDarley 54 new postcodes since 2020, outlined: this goes to DE1 9RQ, the newest of them54 new postcodes since 2020 Map of every postcode in the DE1 9 sector, by new since 2020 Of the 93 postcodes in the DE1 9 sector that ONS places, 54 are new since 2020 and 39 were in use before 2020. One group of new postcodes is outlined: 54 new postcodes since 2020. One postcode lies beyond the edge and is listed under the map. Places named: Arboretum, Darley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 250 m. A6A601 ArboretumDarley 54 new postcodes since 2020, outlined: this goes to DE1 9RQ, the newest of them54 new postcodes since 2020
  • New since 2020: 54
  • In use before 2020: 39
  • Outline: where 5 or more new postcodes since 2020 lie together

Of the 93 postcodes in the DE1 9 sector that ONS places, 54 are new since 2020 and 39 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. A dashed outline shows where 5 or more lie within 600 metres of each other. It is not a boundary, and 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 5 newest postcodes

DE1 9RQJuly 2026DE1 9EBJune 2026DE1 9EDJune 2026DE1 9EEJune 2026DE1 9DBMay 2026

Further out, not drawn

This postcode lies well apart from the rest, so the map is drawn without it to show the rest closer; it is in every count.

DE1 9TA

Where the new postcodes lie together

  • 54 new postcodes since 2020, outlined on the map. DE1 9RQ, is the newest of them.

Postcodes in DE1 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.

DE1 9AFDE1 9AHDE1 9AJDE1 9APDE1 9ARDE1 9AUDE1 9AWDE1 9AXDE1 9AYDE1 9BHDE1 9BJDE1 9BNDE1 9DBDE1 9DTDE1 9DWDE1 9DYDE1 9EBDE1 9EDDE1 9EEDE1 9EUDE1 9FBDE1 9FFDE1 9GBDE1 9GDDE1 9GGDE1 9GHDE1 9GPDE1 9GUDE1 9GXDE1 9HPDE1 9HQDE1 9HSDE1 9HXDE1 9LBDE1 9LGDE1 9LYDE1 9NADE1 9NHDE1 9NNDE1 9NPDE1 9NTDE1 9NXDE1 9PBDE1 9PTDE1 9QJDE1 9QSDE1 9QTDE1 9QWDE1 9RBDE1 9RHDE1 9RLDE1 9RPDE1 9RQDE1 9RSDE1 9RTDE1 9RYDE1 9SADE1 9SBDE1 9SEDE1 9SJDE1 9SPDE1 9SRDE1 9STDE1 9SZDE1 9TADE1 9TNDE1 9TPDE1 9TTDE1 9TWDE1 9UADE1 9UBDE1 9UGDE1 9UJDE1 9URDE1 9UZDE1 9WADE1 9WRDE1 9WSDE1 9WXDE1 9WZDE1 9XDDE1 9XFDE1 9XHDE1 9XLDE1 9XXDE1 9XYDE1 9YQDE1 9YRDE1 9YUDE1 9YZDE1 9ZBDE1 9ZFDE1 9ZJ

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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