3 towns · Updated October, 2026
Broadband Deals in Gwynedd
01Live comparison
Best Broadband Offers in Gwynedd October, 2026
Enter your postcode in the panel below. Deals and prices come straight from the providers and are checked live for your address.
Read about broadband in Gwynedd- Enter your postcode
- Pick your address
- Filter and sort the deals
- Buy Now takes you to the provider
Deals are supplied by our comparison partner. Prices, speeds and availability come from each provider for your postcode and can change at any time, so check the provider's page before you order. How we make money · Contact us · By using the comparison you agree to our terms of use and cookie & privacy policy.
Gwynedd is a principal area of Wales. It has 5,428 live residential postcodes, and 23 postcode districts lie mainly within it (ONS Postcode Directory, May 2025). Three of its towns have their own broadband page: Blaenau Ffestiniog, Caernarfon and Dolgellau.
Enter your postcode in the comparison above to see the broadband deals available at your address.
Broadband deals by town in Gwynedd
Each town page has the live comparison and lists the postcodes it covers.
-
Blaenau Ffestiniog
- Postcode districts
- LL41, LL48 (part), LL55 (part)
- Live residential postcodes
- 535
- Gigabit-capable
- 57.5% of premises
-
Caernarfon
- Postcode districts
- LL54 (part), LL55, LL56, LL57 (part)
- Live residential postcodes
- 1,333
- Gigabit-capable
- 82.8% of premises
-
Dolgellau
- Postcode districts
- LL36 (part), LL40, LL42 (part), SY20 (part)
- Live residential postcodes
- 574
- Gigabit-capable
- 41.7% of premises
Postcode districts in Gwynedd
These 23 postcode districts have at least half of their live residential postcodes in Gwynedd. Enter your full postcode in the comparison to see the deals for your address.
- LL23
- LL35
- LL36
- LL37
- LL38
- LL39
- LL40
- LL41
- LL42
- LL43
- LL44
- LL45
- LL46
- LL47
- LL48
- LL49
- LL51
- LL52
- LL53
- LL54
- LL55
- LL56
- LL57
Sources: ONS Postcode Directory, May 2025 (postcode districts, postcodes and councils); Ofcom Connected Nations, January 2026 (gigabit-capable broadband).
Gwynedd broadband FAQs
Still unsure? Call us on 01483 355354 or send us a message.
Which towns in Gwynedd have their own broadband page?
Three towns in Gwynedd have their own broadband page on Switch My Broadband: Blaenau Ffestiniog, Caernarfon and Dolgellau. Enter your postcode in the comparison on this page to see the deals available at your address.
Which postcode districts are in Gwynedd?
23 postcode districts have at least half of their live residential postcodes in Gwynedd: LL23, LL35, LL36, LL37, LL38, LL39, LL40, LL41, LL42, LL43, LL44, LL45, LL46, LL47, LL48, LL49, LL51, LL52, LL53, LL54, LL55, LL56 and LL57. Source: ONS Postcode Directory, May 2025.
Which council covers Gwynedd?
All 5,428 live residential postcodes in Gwynedd are in the Gwynedd council area. Source: ONS Postcode Directory, May 2025.
Can I get full fibre in Gwynedd?
70.7% of premises in Gwynedd (48,436 of 68,491) could get full fibre, compared with 81% across the UK. Whether your home can get it depends on your address: enter your postcode in the comparison on this page to see the deals available there. Source: Ofcom Connected Nations, January 2026.
How many homes and businesses in Gwynedd can get gigabit broadband?
48,436 premises in Gwynedd (70.7% of 68,491) could get gigabit-capable broadband, with download speeds of 1 Gbit/s or more; across the UK the figure is 87.8%. Source: Ofcom Connected Nations, January 2026.
→Keep comparing
More ways to compare
Sky deals
EE deals
Virgin Media deals
TalkTalk deals
Vodafone deals
NOW Broadband deals
BT deals
Plusnet deals
