# Connectivity in Carmarthenshire

West Wales. 190,037 people (mid-2025 estimate) in 2,371 square kilometres.

5 layers about connectivity for Carmarthenshire, each at the level its publisher released it, with its own date and source.

In: [Wales](https://openindex.co.uk/wales)

## Gigabit broadband coverage

Carmarthenshire: **73.0%** (January 2026, council level). Source: Ofcom. Published 13 May 2026.

In Carmarthenshire, 73.0% of homes and businesses could get gigabit-capable broadband in January 2026.
For the UK as a whole, the figure was 87.8%.

- Against Wales: 12% lower (83.1%)
- Against the UK: 17% lower (87.8%)

[Map](https://openindex.co.uk/map/gigabit-broadband?place=W06000010) · [Source and method](https://openindex.co.uk/sources/gigabit-broadband) · [Ranking](https://openindex.co.uk/rankings/gigabit-broadband/wales) · https://openindex.co.uk/carmarthenshire/connectivity#l-gigabit-coverage

## Full-fibre broadband coverage

Carmarthenshire: **73.0%** (January 2026, council level). Source: Ofcom. Published 13 May 2026.

In Carmarthenshire, 73.0% of homes and businesses could get full-fibre broadband in January 2026.
For the UK as a whole, the figure was 81.0%.

- Against Wales: 10% lower (80.8%)
- Against the UK: 10% lower (81.0%)

[Map](https://openindex.co.uk/map/full-fibre-broadband?place=W06000010) · [Source and method](https://openindex.co.uk/sources/full-fibre-broadband) · [Ranking](https://openindex.co.uk/rankings/full-fibre-broadband/wales) · https://openindex.co.uk/carmarthenshire/connectivity#l-full-fibre-coverage

## Full-fibre take-up

Carmarthenshire: **61%** (January 2026, council level). Source: Ofcom. Published 13 May 2026.

In Carmarthenshire, 61% of the homes and businesses that could get full fibre had a full-fibre connection in January 2026.
For the UK as a whole, the figure was 47%.

- Against Wales: 15% higher (53%)
- Against the UK: 30% higher (47%)

[Map](https://openindex.co.uk/map/full-fibre-take-up?place=W06000010) · [Source and method](https://openindex.co.uk/sources/full-fibre-take-up) · [Ranking](https://openindex.co.uk/rankings/full-fibre-take-up/wales) · https://openindex.co.uk/carmarthenshire/connectivity#l-full-fibre-take-up

## 4G coverage from all four networks

Carmarthenshire: **95.68%** (January 2026, council level). Source: Ofcom. Published 13 May 2026.

In Carmarthenshire, 95.68% of homes and businesses had outdoor 4G coverage from all four mobile networks in January 2026.
For the UK as a whole, the figure was 99.22%.

- Against Wales: 2% lower (97.97%)
- Against the UK: 4% lower (99.22%)

[Map](https://openindex.co.uk/map/mobile-4g-coverage?place=W06000010) · [Source and method](https://openindex.co.uk/sources/mobile-4g-coverage) · [Ranking](https://openindex.co.uk/rankings/mobile-4g-coverage/wales) · https://openindex.co.uk/carmarthenshire/connectivity#l-mobile-4g-outdoor

## Broadband by postcode

Postcode level, Great Britain only. Source: Ofcom and ONS Postcode Directory.

Published as points, so there is no single figure for Carmarthenshire. The map shows each one.

[Map](https://openindex.co.uk/map/broadband-by-postcode?place=W06000010) · [Source and method](https://openindex.co.uk/sources/broadband-by-postcode) · https://openindex.co.uk/carmarthenshire/connectivity#l-broadband-postcode

## More on this place

- [Overview](https://openindex.co.uk/carmarthenshire)
- [Housing](https://openindex.co.uk/carmarthenshire/housing) (17)
- [Crime](https://openindex.co.uk/carmarthenshire/crime) (13)
- [People](https://openindex.co.uk/carmarthenshire/people) (24)
- [Deprivation](https://openindex.co.uk/carmarthenshire/deprivation) (2)
- [Health](https://openindex.co.uk/carmarthenshire/health) (4)
- [Education](https://openindex.co.uk/carmarthenshire/education) (2)
- [Environment](https://openindex.co.uk/carmarthenshire/environment) (6)
- [Transport](https://openindex.co.uk/carmarthenshire/transport) (4)
- [Economy](https://openindex.co.uk/carmarthenshire/economy) (4)
- [Council tax](https://openindex.co.uk/carmarthenshire/council-tax) (11)
- [Elections](https://openindex.co.uk/carmarthenshire/elections) (8)
- [Local services](https://openindex.co.uk/carmarthenshire/services) (3)
- [Sources](https://openindex.co.uk/carmarthenshire/sources) (26)

The same figures as JSON: https://openindex.co.uk/v1/places/W06000010/data?family=connectivity

## How to cite

Source: Open Index, openindex.co.uk. Link to this page, https://openindex.co.uk/carmarthenshire/connectivity, or to one figure with its anchor, https://openindex.co.uk/carmarthenshire/connectivity#l-gigabit-coverage.

Open Index's own text and the figures it works out are licensed under CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Source data keeps its publishers' licences, named with each figure. Give each figure's period and source with it.

Snapshot 2026.10.8, https://doi.org/10.5281/zenodo.23508850. The HTML page: https://openindex.co.uk/carmarthenshire/connectivity
