Broadband in Carmarthenshire
74% of homes in Carmarthenshire can get full fibre, 8 points below the Wales figure of 83%. That ranks 17th of 22 councils in Wales and 266th of 361 across the UK.
What homes in Carmarthenshire can get
- Gigabit1,000Mbps or faster74%
- Full fibreFibre all the way to the home74%
- Ultrafast300Mbps or faster74%
- Fast100Mbps or faster74%
- Superfast30Mbps or faster92%
- No decent serviceUnder 10Mbps from fixed lines or wireless1%
95,119
homes and businesses in Ofcom's data
61%
of premises that can get full fibre have signed up to it
1,046
premises can't get decent broadband (10Mbps) from a fixed line or wireless network
Homes without a decent connection may qualify for the broadband Universal Service Obligation, and satellite services are now a realistic option for many. What to do if you can't get decent broadband.
Towns in Carmarthenshire
| Town | Gigabit | Superfast | Postcodes |
|---|---|---|---|
| Llanelli | 92% | 99% | 1,040 |
| Caerfyrddin | 77% | 97% | 502 |
| Ammanford | 81% | 100% | 202 |
| Burry Port | 95% | 99% | 172 |
| Llandeilo | 41% | 97% | 79 |
| Newcastle Emlyn | 10% | 98% | 78 |
| Llanymddyfri | 81% | 88% | 72 |
| Sanclêr | 11% | 99% | 63 |
| Cydweli | 29% | 99% | 60 |
| Hendy-Gwyn | 13% | 98% | 55 |
| Talacharn | 2% | 100% | 42 |
| Llanybydder | 83% | 97% | 40 |
Towns and larger villages, by number of postcodes. Figures are averages across each town's postcodes.
Council figures are Ofcom's own totals for Carmarthenshire (January 2026). Coverage figures are for homes; the premises counts include businesses. About our data.