Ofcom data · 1,238 postcodes

PO20 broadband coverage — Arun

Full-fibre, gigabit and superfast broadband availability across the PO20 postcode district, plus business broadband and leased-line options for Arun.

Strong coverage

Superfast (30Mb+)

93.1%

Ultrafast (300Mb+)

52.5%

Gigabit-capable

51.8%

Below USO (10Mb)

0.1%

Check broadband at your exact PO20 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 PO20

Broadband availability in the PO20 postcode district (Arun) is Strong — superfast is near-universal and gigabit is rolling out. Across the 1,238 postcodes Ofcom measures in PO20, superfast broadband (30 Mbit/s or faster) reaches 93.1% of premises and gigabit-capable lines are available to 51.8%.

Around 0.1% of premises in PO20 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 PO20

Postcode	Superfast	Gigabit
PO20 0AA	100%	100%
PO20 0AB	100%	100%
PO20 0AD	100%	20%
PO20 0AE	100%	100%
PO20 0AF	100%	100%
PO20 0AG	100%	50%
PO20 0AH	100%	100%
PO20 0AJ	100%	100%
PO20 0AL	100%	100%
PO20 0AN	100%	100%

Business broadband & leased lines in Arun

Whether the PO20 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.

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

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Nearby PO districts

PO21 — 55.5% gigabit PO7 — 79% gigabit PO19 — 73% gigabit PO9 — 87.5% gigabit PO30 — 67.2% gigabit PO12 — 92.2% gigabit PO16 — 89.1% gigabit PO22 — 59.7% gigabit PO33 — 78.5% gigabit PO14 — 90.4% gigabit

See all Portsmouth (PO) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the PO20 area (Arun)?

In the PO20 area (Arun), superfast broadband (30 Mbit/s+) is available to approximately 93.1% of premises and gigabit-capable broadband to around 51.8%, 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 PO20 area (Arun)?

Gigabit-capable coverage in the PO20 area (Arun) stands at about 51.8% 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 PO20 area (Arun)?

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 PO20 area (Arun)?

Most UK providers serve the PO20 area (Arun) 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.