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Ofcom data · 822 postcodes

BT42 broadband coverage — Antrim and Newtownabbey

Full-fibre, gigabit and superfast broadband availability across the BT42 postcode district, plus business broadband and leased-line options for Antrim and Newtownabbey.

Excellent coverage

Superfast (30Mb+)

97.4%

Ultrafast (300Mb+)

89.7%

Gigabit-capable

89.7%

Below USO (10Mb)

0.2%

Check broadband at your exact BT42 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 BT42

Broadband availability in the BT42 postcode district (Antrim and Newtownabbey) is Excellent — gigabit-capable full fibre is widely available. Across the 822 postcodes Ofcom measures in BT42, superfast broadband (30 Mbit/s or faster) reaches 97.4% of premises and gigabit-capable lines are available to 89.7%.

Around 0.2% of premises in BT42 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 BT42

PostcodeSuperfastGigabit
BT42 1AA100%95%
BT42 1AB100%100%
BT42 1AD100%50%
BT42 1AE100%62.5%
BT42 1AF100%100%
BT42 1AG100%100%
BT42 1AH100%100%
BT42 1AL100%100%
BT42 1AN100%100%
BT42 1AP100%100%

Business broadband & leased lines in Antrim and Newtownabbey

Whether the BT42 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 BT42

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 BT42 area (Antrim and Newtownabbey)?
In the BT42 area (Antrim and Newtownabbey), superfast broadband (30 Mbit/s+) is available to approximately 97.4% of premises and gigabit-capable broadband to around 89.7%, 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 BT42 area (Antrim and Newtownabbey)?
Gigabit-capable coverage in the BT42 area (Antrim and Newtownabbey) stands at about 89.7% 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 BT42 area (Antrim and Newtownabbey)?
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 BT42 area (Antrim and Newtownabbey)?
Most UK providers serve the BT42 area (Antrim and Newtownabbey) 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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