Castle Douglas
Castle Douglas is covered by postcode districts DG5 and DG7. It is in the Dumfries and Galloway council area, Scotland.
Every postcode in Castle Douglas, by gigabit broadband
- No home or business can get gigabit: 17
- Some can get gigabit: 34
- Every home and business can get gigabit: 85
- Ofcom gives no figure: 5
Of the 141 postcodes in Castle Douglas that ONS places, 17 have no home or business that can get gigabit, 34 have some that can, 85 can all get it and 5 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. 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 54.9418, longitude -3.9290. 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
Are new homes being built in Castle Douglas?
3 of the 141 postcodes now in use in Castle Douglas came into use in January 2020 or later, ONS says.
The newest postcodes
A new postcode is often a new street or estate, but Royal Mail also makes new postcodes when it reorganises old ones, so not every one means new homes. Only postcodes still in use are counted.
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. How we use it
What broadband can you get in Castle Douglas?
Ofcom reports on 136 of the 141 postcodes in Castle Douglas. At 85 of them every home and business can get gigabit broadband.
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 checkerSource: Ofcom, Connected Nations, Spring 2026, data for January 2026, Open Government Licence v3.0. How we use it
Who runs Castle Douglas?
- Council
- Dumfries and Galloway
- Parliamentary constituency
- Dumfries and Galloway
- Police force area
- Scotland
- Country
- Scotland
- MP
- John Cooper (Conservative)
All 141 postcodes here share these. Wards differ: check a postcode for yours. What council am I in?
Source: Office for National Statistics (ONS) Postcode Directory, August 2026, loaded 20 October 2026. The MP: UK Parliament. See all our data sources
Moving to Castle Douglas
Who to tell and what to sort out in your first week.
- Tell Dumfries and Galloway about council tax Council tax, on dumfriesandgalloway.gov.uk
- Register to vote at the new address Register to vote on GOV.UK
- Register with a GP practice
- Take meter readings on the day you move in
- Power cut? Call 105. It is free. About 105, the power cut number
Castle Douglas postcodes
141 postcodes in use in Castle Douglas, by district:
Those districts are all in the DG postcode area.
Check a Castle Douglas postcode
Enter a full postcode to see its ward, its flood risk, house prices in its sector and its nearest schools.
Do not know the postcode? What is my postcode?
Places near Castle Douglas
Distances are straight lines between the middles of each place's postcodes.
Questions about Castle Douglas
- What is the postcode for Castle Douglas?
- Castle Douglas is covered by postcode districts DG5 and DG7, across 141 postcodes in use. Source: ONS Postcode Directory.
- Which council is Castle Douglas in?
- Castle Douglas is in the Dumfries and Galloway council area. Source: ONS Postcode Directory.
- Who is the MP for Castle Douglas?
- Castle Douglas is in the Dumfries and Galloway parliamentary constituency. Its MP is John Cooper (Conservative), as UK Parliament listed them on 14 October 2026. Constituency: ONS Postcode Directory.
- What broadband can you get in Castle Douglas?
- Ofcom reports on 136 of the 141 postcodes in Castle Douglas. At 85 of them every home and business can get gigabit broadband. Source: Ofcom, Connected Nations, Spring 2026.
- Are new homes being built in Castle Douglas?
- 3 of the 141 postcodes now in use in Castle Douglas came into use in January 2020 or later, ONS says. Source: ONS Postcode Directory.
Something wrong on this page? Report an error and we will check it against the source.