PA12 4 postcode sector in the PA12 district

PA12 4 is a sector of the PA12 district: every postcode that starts PA12 4. It has 114 postcodes in use, one of them a large-user postcode. 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 PA12 4 sector, and which are new since 2020

Map of every postcode in the PA12 4 sector, by new since 2020 Of the 114 postcodes in the PA12 4 sector that ONS places, 3 are new since 2020 and 111 were in use before 2020. Places named: Lochwinnoch. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A737 PA12 4AA: before 2020PA12 4AD: before 2020PA12 4AE: before 2020PA12 4AF: before 2020PA12 4AH: before 2020PA12 4AJ: before 2020PA12 4AL: before 2020PA12 4AN: before 2020PA12 4AQ: before 2020PA12 4AR: before 2020PA12 4AS: before 2020PA12 4AT: before 2020PA12 4AU: before 2020PA12 4AW: before 2020PA12 4AX: before 2020PA12 4AZ: before 2020PA12 4BA: before 2020PA12 4BB: before 2020PA12 4BD: before 2020PA12 4BE: before 2020PA12 4BG: before 2020PA12 4BH: before 2020PA12 4BJ: before 2020PA12 4BL: before 2020PA12 4BP: before 2020PA12 4BS: before 2020PA12 4BT: before 2020PA12 4BU: before 2020PA12 4BW: before 2020PA12 4BX: before 2020PA12 4BY: before 2020PA12 4BZ: before 2020PA12 4DA: before 2020PA12 4DB: before 2020PA12 4DD: before 2020PA12 4DE: before 2020PA12 4DF: before 2020PA12 4DG: before 2020PA12 4DH: before 2020PA12 4DJ: before 2020PA12 4DL: before 2020PA12 4DN: before 2020PA12 4DP: before 2020PA12 4DQ: before 2020PA12 4DR: before 2020PA12 4DS: before 2020PA12 4DT: before 2020PA12 4DU: before 2020PA12 4DW: before 2020PA12 4DX: before 2020PA12 4DY: before 2020PA12 4EA: before 2020PA12 4EB: before 2020PA12 4ED: before 2020PA12 4EE: before 2020PA12 4EG: before 2020PA12 4EH: before 2020PA12 4EJ: before 2020PA12 4EL: before 2020PA12 4EN: before 2020PA12 4EP: before 2020PA12 4EQ: before 2020PA12 4ER: before 2020PA12 4ES: before 2020PA12 4ET: before 2020PA12 4EW: before 2020PA12 4EX: before 2020PA12 4EY: before 2020PA12 4EZ: before 2020PA12 4HA: before 2020PA12 4HB: before 2020PA12 4HD: before 2020PA12 4HE: before 2020PA12 4HF: before 2020PA12 4HG: before 2020PA12 4HH: before 2020PA12 4HJ: before 2020PA12 4HL: before 2020PA12 4HN: before 2020PA12 4HP: before 2020PA12 4HQ: before 2020PA12 4HR: before 2020PA12 4HS: before 2020PA12 4HT: before 2020PA12 4JB: before 2020PA12 4JD: before 2020PA12 4JF: before 2020PA12 4JG: before 2020PA12 4JH: before 2020PA12 4JJ: before 2020PA12 4JL: before 2020PA12 4JN: before 2020PA12 4JP: before 2020PA12 4JR: before 2020PA12 4JS: before 2020PA12 4JT: before 2020PA12 4JU: before 2020PA12 4JX: before 2020PA12 4JY: before 2020PA12 4JZ: before 2020PA12 4LA: before 2020PA12 4LB: before 2020PA12 4LD: before 2020PA12 4LE: before 2020PA12 4LF: before 2020PA12 4LG: before 2020PA12 4NA: before 2020PA12 4NB: before 2020PA12 4FA: new since 2020PA12 4FB: new since 2020PA12 4EF: new since 2020 Lochwinnoch Map of every postcode in the PA12 4 sector, by new since 2020 Of the 114 postcodes in the PA12 4 sector that ONS places, 3 are new since 2020 and 111 were in use before 2020. Places named: Lochwinnoch. Drawn over roads, rivers and built-up areas. North is up; the scale bar is 1 km. A760 Lochwinnoch
  • New since 2020: 3
  • In use before 2020: 111

Of the 114 postcodes in the PA12 4 sector that ONS places, 3 are new since 2020 and 111 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.

Sources: ONS Postcode Directory, August 2026, loaded 20 October 2026; roads, rivers and built-up areas: Ordnance Survey open maps. 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.

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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Where the facts on this page come from

Licence: Open Government Licence v3.0.

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