Ofcom data · 22 postcodes

LL78 broadband coverage — Isle of Anglesey

Full-fibre, gigabit and superfast broadband availability across the LL78 postcode district, plus business broadband and leased-line options for Isle of Anglesey.

Good coverage

Superfast (30Mb+)

84%

Ultrafast (300Mb+)

25.2%

Gigabit-capable

25.2%

Below USO (10Mb)

7.5%

Check broadband at your exact LL78 postcode

District figures are an average — get the precise availability, full-fibre status and mobile signal for your address.

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Broadband in LL78

Broadband availability in the LL78 postcode district (Isle of Anglesey) is Good — superfast broadband reaches most premises. Across the 22 postcodes Ofcom measures in LL78, superfast broadband (30 Mbit/s or faster) reaches 84% of premises and gigabit-capable lines are available to 25.2%.

Around 7.5% of premises in LL78 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in LL78

Postcode	Superfast	Gigabit
LL78 7JF	43.8%	25%
LL78 7JG	0%	0%
LL78 7JH	95.2%	14.3%
LL78 7JJ	71.4%	71.4%
LL78 7JL	0%	0%
LL78 7JQ	75%	0%
LL78 8AD	100%	100%
LL78 8JF	100%	61.1%
LL78 8JG	100%	0%
LL78 8JH	85.7%	0%

Business broadband & leased lines in Isle of Anglesey

Whether the LL78 district has full fibre yet or not, we can connect your business. Where FTTP and gigabit are live we quote ultrafast full-fibre; where they aren't, a leased line still delivers guaranteed, symmetric speeds with an SLA. We also handle mobile coverage and VoIP for the same site.

Get a business broadband quote for LL78

Free, no obligation — full fibre, leased line or FTTC, matched to what's actually available at your postcode.

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Nearby LL districts

LL11 — 43.9% gigabit LL18 — 85.2% gigabit LL13 — 61.7% gigabit LL14 — 52.5% gigabit LL65 — 60.5% gigabit LL57 — 35.2% gigabit LL12 — 82.9% gigabit LL53 — 50.4% gigabit LL55 — 69% gigabit LL30 — 89.3% gigabit

See all Llandudno (LL) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the LL78 area (Isle of Anglesey)?

In the LL78 area (Isle of Anglesey), superfast broadband (30 Mbit/s+) is available to approximately 84% of premises and gigabit-capable broadband to around 25.2%, based on Ofcom Connected Nations data. Exact availability varies by postcode — enter your full postcode in our checker for a precise result.

Can I get full-fibre or gigabit broadband in the LL78 area (Isle of Anglesey)?

Gigabit-capable coverage in the LL78 area (Isle of Anglesey) stands at about 25.2% of premises. Where gigabit and full-fibre (FTTP) are live, businesses can order symmetric, low-latency connections — ideal for cloud, VoIP and multi-site working. If full fibre hasn't reached your premises yet, a leased line can still deliver guaranteed gigabit speeds.

How do I check broadband at my exact address in the LL78 area (Isle of Anglesey)?

Use the free broadband postcode checker on this page: enter your postcode to see fixed-broadband availability, gigabit/full-fibre coverage and mobile signal for all four networks at that location, sourced from official Ofcom data.

Who provides business broadband in the LL78 area (Isle of Anglesey)?

Most UK providers serve the LL78 area (Isle of Anglesey) over the Openreach and (where present) CityFibre or Virgin Media networks. Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines across the area — request a quote to compare options for your postcode.

Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.