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Ofcom data · 311 postcodes

BT46 broadband coverage — Causeway Coast and Glens

Full-fibre, gigabit and superfast broadband availability across the BT46 postcode district, plus business broadband and leased-line options for Causeway Coast and Glens.

Strong coverage

Superfast (30Mb+)

95.7%

Ultrafast (300Mb+)

79.1%

Gigabit-capable

79.1%

Below USO (10Mb)

0.8%

Check broadband at your exact BT46 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 BT46

Broadband availability in the BT46 postcode district (Causeway Coast and Glens) is Strong — superfast is near-universal and gigabit is rolling out. Across the 311 postcodes Ofcom measures in BT46, superfast broadband (30 Mbit/s or faster) reaches 95.7% of premises and gigabit-capable lines are available to 79.1%.

Around 0.8% of premises in BT46 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 BT46

PostcodeSuperfastGigabit
BT46 5AA100%90.9%
BT46 5AB100%70%
BT46 5AD100%90%
BT46 5AE100%90%
BT46 5AF100%83.8%
BT46 5AG100%96.3%
BT46 5AH100%100%
BT46 5AJ100%100%
BT46 5AL100%100%
BT46 5AN100%11.1%

Business broadband & leased lines in Causeway Coast and Glens

Whether the BT46 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 BT46

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

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Nearby BT districts

BT34 — 90.2% gigabitBT23 — 92.4% gigabitBT92 — 73.4% gigabitBT47 — 81% gigabitBT35 — 84.7% gigabitBT78 — 82.7% gigabitBT48 — 90.5% gigabitBT30 — 89.8% gigabitBT71 — 87.1% gigabitBT36 — 95.9% gigabit

See all Belfast (BT) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the BT46 area (Causeway Coast and Glens)?
In the BT46 area (Causeway Coast and Glens), superfast broadband (30 Mbit/s+) is available to approximately 95.7% of premises and gigabit-capable broadband to around 79.1%, 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 BT46 area (Causeway Coast and Glens)?
Gigabit-capable coverage in the BT46 area (Causeway Coast and Glens) stands at about 79.1% 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 BT46 area (Causeway Coast and Glens)?
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 BT46 area (Causeway Coast and Glens)?
Most UK providers serve the BT46 area (Causeway Coast and Glens) 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.

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