Ofcom data · 259 postcodes

SA16 broadband coverage — Carmarthenshire

Full-fibre, gigabit and superfast broadband availability across the SA16 postcode district, plus business broadband and leased-line options for Carmarthenshire.

Excellent coverage

Superfast (30Mb+)

90.1%

Ultrafast (300Mb+)

86.8%

Gigabit-capable

86.8%

Below USO (10Mb)

0.1%

Check broadband at your exact SA16 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 SA16

Broadband availability in the SA16 postcode district (Carmarthenshire) is Excellent — gigabit-capable full fibre is widely available. Across the 259 postcodes Ofcom measures in SA16, superfast broadband (30 Mbit/s or faster) reaches 90.1% of premises and gigabit-capable lines are available to 86.8%.

Around 0.1% of premises in SA16 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 SA16

Postcode	Superfast	Gigabit
SA16 0AA	100%	100%
SA16 0AB	100%	100%
SA16 0AD	100%	100%
SA16 0AE	100%	100%
SA16 0AF	100%	100%
SA16 0AG	100%	100%
SA16 0AH	100%	100%
SA16 0AJ	100%	92.3%
SA16 0AL	100%	100%
SA16 0AN	100%	100%

Business broadband & leased lines in Carmarthenshire

Whether the SA16 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 SA16

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

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Nearby SA districts

SA1 — 89.6% gigabit SA4 — 75.8% gigabit SA62 — 49.5% gigabit SA15 — 70.2% gigabit SA11 — 63.6% gigabit SA14 — 71.7% gigabit SA19 — 27.7% gigabit SA12 — 86.9% gigabit SA10 — 68.9% gigabit SA18 — 41.3% gigabit

See all Swansea (SA) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the SA16 area (Carmarthenshire)?

In the SA16 area (Carmarthenshire), superfast broadband (30 Mbit/s+) is available to approximately 90.1% of premises and gigabit-capable broadband to around 86.8%, 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 SA16 area (Carmarthenshire)?

Gigabit-capable coverage in the SA16 area (Carmarthenshire) stands at about 86.8% 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 SA16 area (Carmarthenshire)?

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 SA16 area (Carmarthenshire)?

Most UK providers serve the SA16 area (Carmarthenshire) 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.