KA1 3 postcode sector in the KA1 district

KA1 3 is a sector of the KA1 district: every postcode that starts KA1 3. It has 217 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 KA1 3 sector, and which are new since 2020

New since 2020: 2
In use before 2020: 215

Of the 217 postcodes in the KA1 3 sector that ONS places, 2 are new since 2020 and 215 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 2 newest postcodes

KA1 3UXSeptember 2023 KA1 3USAugust 2023

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.

KA1 3HY

Postcodes in KA1 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.

KA1 3AA KA1 3AB KA1 3AD KA1 3AE KA1 3AH KA1 3AJ KA1 3AN KA1 3AP KA1 3AR KA1 3AT KA1 3AU KA1 3AW KA1 3AX KA1 3AY KA1 3AZ KA1 3BA KA1 3BB KA1 3BD KA1 3BN KA1 3BP KA1 3BT KA1 3BU KA1 3DB KA1 3DD KA1 3DG KA1 3DH KA1 3DJ KA1 3DL KA1 3DN KA1 3DP KA1 3DQ KA1 3DT KA1 3DU KA1 3DW KA1 3DX KA1 3DZ KA1 3EA KA1 3EB KA1 3ED KA1 3EE KA1 3EF KA1 3EG KA1 3EH KA1 3EQ KA1 3EW KA1 3EX KA1 3EY KA1 3GZ KA1 3HB KA1 3HD KA1 3HE KA1 3HF KA1 3HG KA1 3HH KA1 3HJ KA1 3HL KA1 3HN KA1 3HP KA1 3HQ KA1 3HR KA1 3HS KA1 3HT KA1 3HU KA1 3HW KA1 3HY KA1 3JA KA1 3JB KA1 3JE KA1 3JF KA1 3JG KA1 3JH KA1 3JJ KA1 3JL KA1 3JN KA1 3JP KA1 3JR KA1 3JS KA1 3JW KA1 3LA KA1 3LE KA1 3LF KA1 3LG KA1 3LH KA1 3LJ KA1 3LL KA1 3LQ KA1 3LS KA1 3LT KA1 3LX KA1 3NA KA1 3NB KA1 3ND KA1 3NE KA1 3NF KA1 3NG KA1 3NH KA1 3NJ KA1 3NL KA1 3NN KA1 3NP KA1 3NQ KA1 3NR KA1 3NS KA1 3NT KA1 3NU KA1 3NW KA1 3NX KA1 3NY KA1 3PA KA1 3PB KA1 3PD KA1 3PE KA1 3PF KA1 3PG KA1 3PH KA1 3PJ KA1 3PL KA1 3PN KA1 3PP KA1 3PQ KA1 3PR KA1 3PS KA1 3PT KA1 3PU KA1 3PW KA1 3PX KA1 3PY KA1 3PZ KA1 3QA KA1 3QB KA1 3QD KA1 3QE KA1 3QJ KA1 3QL KA1 3QN KA1 3QP KA1 3QR KA1 3QS KA1 3QT KA1 3QU KA1 3QW KA1 3QX KA1 3QY KA1 3QZ KA1 3RA KA1 3RB KA1 3RE KA1 3RF KA1 3RG KA1 3RH KA1 3RJ KA1 3RL KA1 3RN KA1 3RP KA1 3RQ KA1 3RR KA1 3RS KA1 3RT KA1 3RU KA1 3RW KA1 3RX KA1 3RY KA1 3RZ KA1 3SA KA1 3SB KA1 3SD KA1 3SE KA1 3SF KA1 3SG KA1 3SH KA1 3SJ KA1 3SN KA1 3SP KA1 3SQ KA1 3SS KA1 3ST KA1 3SZ KA1 3TA KA1 3TB KA1 3TD KA1 3TE KA1 3TF KA1 3TG KA1 3TH KA1 3TJ KA1 3TN KA1 3TP KA1 3TQ KA1 3TS KA1 3TT KA1 3TU KA1 3TX KA1 3TY KA1 3TZ KA1 3UA KA1 3UB KA1 3UD KA1 3UE KA1 3UF KA1 3UG KA1 3UH KA1 3UJ KA1 3UL KA1 3UN KA1 3UP KA1 3UQ KA1 3UR KA1 3US KA1 3UT KA1 3UU KA1 3UW KA1 3UX KA1 3XB KA1 3XF KA1 3XG KA1 3XJ KA1 3XL

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.

Other sectors in KA1

KA1 1 sector KA1 2 sector KA1 4 sector KA1 5 sector KA1 9 sector All of KA1 KA postcode area

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