KA3 postcode district: Kilmarnock and around

KA3 is a postcode district in Scotland, with 1,193 postcodes in use in 7 sectors. It has postcodes in Kilmarnock, Stewarton, Kilmaurs and 1 more place. It is split between 2 councils: East Ayrshire (1,180 postcodes) and North Ayrshire (13).

Postcodes in use: 1,193
Sectors: 7
Councils: 2 councils
Places: 4 places

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. See all our data sources

Every postcode in KA3, by gigabit broadband

No home or business can get gigabit: 101
Some can get gigabit: 172
Every home and business can get gigabit: 907
Ofcom gives no figure: 13
Outline: where 5 or more postcodes without gigabit lie together

Of the 1,193 postcodes in KA3 that ONS places, 101 have no home or business that can get gigabit, 172 have some that can, 907 can all get it and 13 have no Ofcom figure.

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. A dashed outline shows where 5 or more lie within 160 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.

The middle of its postcodes: latitude 55.6457, longitude -4.4969. Open this area on OpenStreetMap

Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026, the centre point of each postcode; gigabit: Ofcom, Connected Nations, Spring 2026; 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

Postcodes without gigabit

101 postcodes here have no gigabit. These are the 12 first in postcode order.

KA3 1AA KA3 1AD KA3 1DH KA3 1DQ KA3 1FN KA3 1GZ KA3 1HB KA3 1HG KA3 1HH KA3 1HJ KA3 1LL KA3 1LT

Where the postcodes without gigabit lie together

17 postcodes without gigabit, outlined on the map. KA3 6DL, is the one nearest the middle of them.
8 postcodes without gigabit, outlined on the map. KA3 1HB, is the one nearest the middle of them.
8 postcodes without gigabit, outlined on the map. KA3 6AH, is the one nearest the middle of them.

What broadband can you get in KA3?

Ofcom reports on 1,180 of the 1,193 postcodes in KA3. At 907 of them every home and business can get gigabit broadband, and at 11 some cannot get decent broadband (10 Mbit/s).

Postcodes where every home can get gigabit907 of 1,180

Postcodes where every home can get superfast1,079 of 1,180

Postcodes where some cannot get decent broadband11 of 1,180

Ofcom gives each postcode's share of homes and businesses, not how many there are, so these count postcodes. Each postcode page has its own figures. A provider's checker answers for one address.

Check one address on Ofcom's checker

Source: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it