CO6 3 postcode sector in the CO6 district

CO6 3 is a sector of the CO6 district: every postcode that starts CO6 3. It has 215 postcodes in use, 4 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 CO6 3 sector, and which are new since 2020

Map of every postcode in the CO6 3 sector, by new since 2020 Of the 215 postcodes in the CO6 3 sector that ONS places, 4 are new since 2020 and 211 were in use before 2020. Places named: Colchester, West Bergholt, Great Horkesley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2 km. A134A12A133 CO6 3AA: before 2020CO6 3AB: before 2020CO6 3AD: before 2020CO6 3AE: before 2020CO6 3AF: before 2020CO6 3AG: before 2020CO6 3AH: before 2020CO6 3AJ: before 2020CO6 3AL: before 2020CO6 3AN: before 2020CO6 3AP: before 2020CO6 3AQ: before 2020CO6 3AR: before 2020CO6 3AS: before 2020CO6 3AT: before 2020CO6 3AU: before 2020CO6 3AW: before 2020CO6 3AX: before 2020CO6 3AY: before 2020CO6 3AZ: before 2020CO6 3BA: before 2020CO6 3BD: before 2020CO6 3BE: before 2020CO6 3BG: before 2020CO6 3BH: before 2020CO6 3BJ: before 2020CO6 3BL: before 2020CO6 3BN: before 2020CO6 3BP: before 2020CO6 3BQ: before 2020CO6 3BT: before 2020CO6 3BW: before 2020CO6 3BX: before 2020CO6 3BY: before 2020CO6 3BZ: before 2020CO6 3DB: before 2020CO6 3DD: before 2020CO6 3DE: before 2020CO6 3DG: before 2020CO6 3DH: before 2020CO6 3DJ: before 2020CO6 3DL: before 2020CO6 3DN: before 2020CO6 3DP: before 2020CO6 3DQ: before 2020CO6 3DR: before 2020CO6 3DS: before 2020CO6 3DT: before 2020CO6 3DU: before 2020CO6 3DW: before 2020CO6 3DX: before 2020CO6 3DZ: before 2020CO6 3EA: before 2020CO6 3EB: before 2020CO6 3ED: before 2020CO6 3EF: before 2020CO6 3EG: before 2020CO6 3EH: before 2020CO6 3EL: before 2020CO6 3EN: before 2020CO6 3EP: before 2020CO6 3EQ: before 2020CO6 3ER: before 2020CO6 3ES: before 2020CO6 3ET: before 2020CO6 3EW: before 2020CO6 3EX: before 2020CO6 3EY: before 2020CO6 3EZ: before 2020CO6 3FA: before 2020CO6 3FD: before 2020CO6 3FE: before 2020CO6 3HB: before 2020CO6 3HD: before 2020CO6 3HE: before 2020CO6 3HF: before 2020CO6 3HJ: before 2020CO6 3HL: before 2020CO6 3HN: before 2020CO6 3HQ: before 2020CO6 3HR: before 2020CO6 3HS: before 2020CO6 3HU: before 2020CO6 3HW: before 2020CO6 3HX: before 2020CO6 3HY: before 2020CO6 3HZ: before 2020CO6 3JA: before 2020CO6 3JB: before 2020CO6 3JD: before 2020CO6 3JE: before 2020CO6 3JF: before 2020CO6 3JG: before 2020CO6 3JJ: before 2020CO6 3JL: before 2020CO6 3JN: before 2020CO6 3JP: before 2020CO6 3JQ: before 2020CO6 3JS: before 2020CO6 3JW: before 2020CO6 3JX: before 2020CO6 3JY: before 2020CO6 3JZ: before 2020CO6 3LA: before 2020CO6 3LB: before 2020CO6 3LE: before 2020CO6 3LG: before 2020CO6 3LH: before 2020CO6 3LJ: before 2020CO6 3LL: before 2020CO6 3LN: before 2020CO6 3LP: before 2020CO6 3LR: before 2020CO6 3LS: before 2020CO6 3LT: before 2020CO6 3LU: before 2020CO6 3LW: before 2020CO6 3LX: before 2020CO6 3LY: before 2020CO6 3LZ: before 2020CO6 3NA: before 2020CO6 3NB: before 2020CO6 3ND: before 2020CO6 3NE: before 2020CO6 3NG: before 2020CO6 3NH: before 2020CO6 3NJ: before 2020CO6 3NL: before 2020CO6 3NN: before 2020CO6 3NP: before 2020CO6 3NQ: before 2020CO6 3NR: before 2020CO6 3NS: before 2020CO6 3NU: before 2020CO6 3NW: before 2020CO6 3NX: before 2020CO6 3NY: before 2020CO6 3NZ: before 2020CO6 3PF: before 2020CO6 3PG: before 2020CO6 3PH: before 2020CO6 3PL: before 2020CO6 3PN: before 2020CO6 3PP: before 2020CO6 3PR: before 2020CO6 3PS: before 2020CO6 3PT: before 2020CO6 3PU: before 2020CO6 3PX: before 2020CO6 3PZ: before 2020CO6 3QB: before 2020CO6 3QE: before 2020CO6 3QF: before 2020CO6 3QG: before 2020CO6 3QH: before 2020CO6 3QJ: before 2020CO6 3QL: before 2020CO6 3QN: before 2020CO6 3QP: before 2020CO6 3QQ: before 2020CO6 3QR: before 2020CO6 3QS: before 2020CO6 3QT: before 2020CO6 3QU: before 2020CO6 3QY: before 2020CO6 3QZ: before 2020CO6 3RB: before 2020CO6 3RD: before 2020CO6 3RE: before 2020CO6 3RG: before 2020CO6 3RH: before 2020CO6 3RJ: before 2020CO6 3RL: before 2020CO6 3RN: before 2020CO6 3RP: before 2020CO6 3RR: before 2020CO6 3RS: before 2020CO6 3RT: before 2020CO6 3RW: before 2020CO6 3RX: before 2020CO6 3RY: before 2020CO6 3RZ: before 2020CO6 3SA: before 2020CO6 3SD: before 2020CO6 3SE: before 2020CO6 3SF: before 2020CO6 3SG: before 2020CO6 3SH: before 2020CO6 3SL: before 2020CO6 3TA: before 2020CO6 3TB: before 2020CO6 3FF: new since 2020CO6 3FG: new since 2020CO6 3FH: new since 2020CO6 3FJ: new since 2020 ColchesterWest BergholtGreat Horkesley Map of every postcode in the CO6 3 sector, by new since 2020 Of the 215 postcodes in the CO6 3 sector that ONS places, 4 are new since 2020 and 211 were in use before 2020. Places named: Colchester, West Bergholt, Great Horkesley. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 2.5 km. ColchesterWest BergholtGreat Horkesley
  • New since 2020: 4
  • In use before 2020: 211

Of the 215 postcodes in the CO6 3 sector that ONS places, 4 are new since 2020 and 211 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

The 4 newest postcodes

CO6 3FJFebruary 2026CO6 3FHNovember 2024CO6 3FGMay 2022CO6 3FFMarch 2022

What do homes sell for in CO6 3?

Homes in CO6 3 sold for a typical £417,500 in the 12 months to August 2026, across 64 sales, up 4.4% on the 12 months before, HM Land Registry's figures show.

£417,500 typical price, the 12 months to August 2026
£400,000 12 months to August 2025
▲ up 4.4% on the 12 months before
  • Detached £515,000 35 sales
  • Semi-detached £342,500 17 sales
  • Terraced £292,500 10 sales
  • Flat or maisonette 2 sales, too few to price

Each bar is that kind's typical price, against the most expensive kind here.

Standard sales of homes at market value at the postcodes that start CO6 3. A typical price is the median, the middle sale, given from 5 sales or more.

How we work this out: house prices by postcode

Source: HM Land Registry Price Paid Data, files dated 28 September 2026. Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. How we use it

Postcodes in CO6 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.

CO6 3AACO6 3ABCO6 3ADCO6 3AECO6 3AFCO6 3AGCO6 3AHCO6 3AJCO6 3ALCO6 3ANCO6 3APCO6 3AQCO6 3ARCO6 3ASCO6 3ATCO6 3AUCO6 3AWCO6 3AXCO6 3AYCO6 3AZCO6 3BACO6 3BDCO6 3BECO6 3BGCO6 3BHCO6 3BJCO6 3BLCO6 3BNCO6 3BPCO6 3BQCO6 3BTCO6 3BWCO6 3BXCO6 3BYCO6 3BZCO6 3DACO6 3DBCO6 3DDCO6 3DECO6 3DGCO6 3DHCO6 3DJCO6 3DLCO6 3DNCO6 3DPCO6 3DQCO6 3DRCO6 3DSCO6 3DTCO6 3DUCO6 3DWCO6 3DXCO6 3DZCO6 3EACO6 3EBCO6 3EDCO6 3EFCO6 3EGCO6 3EHCO6 3ELCO6 3ENCO6 3EPCO6 3EQCO6 3ERCO6 3ESCO6 3ETCO6 3EWCO6 3EXCO6 3EYCO6 3EZCO6 3FACO6 3FDCO6 3FECO6 3FFCO6 3FGCO6 3FHCO6 3FJCO6 3HACO6 3HBCO6 3HDCO6 3HECO6 3HFCO6 3HGCO6 3HHCO6 3HJCO6 3HLCO6 3HNCO6 3HQCO6 3HRCO6 3HSCO6 3HTCO6 3HUCO6 3HWCO6 3HXCO6 3HYCO6 3HZCO6 3JACO6 3JBCO6 3JDCO6 3JECO6 3JFCO6 3JGCO6 3JJCO6 3JLCO6 3JNCO6 3JPCO6 3JQCO6 3JSCO6 3JTCO6 3JUCO6 3JWCO6 3JXCO6 3JYCO6 3JZCO6 3LACO6 3LBCO6 3LDCO6 3LECO6 3LFCO6 3LGCO6 3LHCO6 3LJCO6 3LLCO6 3LNCO6 3LPCO6 3LQCO6 3LRCO6 3LSCO6 3LTCO6 3LUCO6 3LWCO6 3LXCO6 3LYCO6 3LZCO6 3NACO6 3NBCO6 3NDCO6 3NECO6 3NGCO6 3NHCO6 3NJCO6 3NLCO6 3NNCO6 3NPCO6 3NQCO6 3NRCO6 3NSCO6 3NTCO6 3NUCO6 3NWCO6 3NXCO6 3NYCO6 3NZCO6 3PFCO6 3PGCO6 3PHCO6 3PLCO6 3PNCO6 3PPCO6 3PRCO6 3PSCO6 3PTCO6 3PUCO6 3PXCO6 3PZCO6 3QACO6 3QBCO6 3QDCO6 3QECO6 3QFCO6 3QGCO6 3QHCO6 3QJCO6 3QLCO6 3QNCO6 3QPCO6 3QQCO6 3QRCO6 3QSCO6 3QTCO6 3QUCO6 3QYCO6 3QZCO6 3RBCO6 3RDCO6 3RECO6 3RFCO6 3RGCO6 3RHCO6 3RJCO6 3RLCO6 3RNCO6 3RPCO6 3RQCO6 3RRCO6 3RSCO6 3RTCO6 3RWCO6 3RXCO6 3RYCO6 3RZCO6 3SACO6 3SDCO6 3SECO6 3SFCO6 3SGCO6 3SHCO6 3SJCO6 3SLCO6 3SNCO6 3SRCO6 3TACO6 3TBCO6 3TDCO6 3TJ

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.

Check a postcode

Something wrong on this page? Report an error and we will check it against the source.