Ofcom data · 188 postcodes

SA38 broadband coverage — Carmarthenshire

Full-fibre, gigabit and superfast broadband availability across the SA38 postcode district, plus business broadband and leased-line options for Carmarthenshire.

Good coverage

Superfast (30Mb+)

81.2%

Ultrafast (300Mb+)

25.7%

Gigabit-capable

25.7%

Below USO (10Mb)

0.9%

Check broadband at your exact SA38 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 SA38

Broadband availability in the SA38 postcode district (Carmarthenshire) is Good — superfast broadband reaches most premises. Across the 188 postcodes Ofcom measures in SA38, superfast broadband (30 Mbit/s or faster) reaches 81.2% of premises and gigabit-capable lines are available to 25.7%.

Around 0.9% of premises in SA38 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 SA38

Postcode	Superfast	Gigabit
SA38 9AA	100%	0%
SA38 9AB	100%	0%
SA38 9AE	100%	0%
SA38 9AF	90.9%	0%
SA38 9AG	100%	0%
SA38 9AJ	95%	0%
SA38 9AN	100%	0%
SA38 9AP	100%	0%
SA38 9AQ	100%	0%
SA38 9AR	100%	0%

Business broadband & leased lines in Carmarthenshire

Whether the SA38 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 SA38

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 SA38 area (Carmarthenshire)?

In the SA38 area (Carmarthenshire), superfast broadband (30 Mbit/s+) is available to approximately 81.2% of premises and gigabit-capable broadband to around 25.7%, 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 SA38 area (Carmarthenshire)?

Gigabit-capable coverage in the SA38 area (Carmarthenshire) stands at about 25.7% 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 SA38 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 SA38 area (Carmarthenshire)?

Most UK providers serve the SA38 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.