Broadband and mobile checker

Search a postcode or postcode area against the current live broadband and mobile coverage seams.

Source: Ofcom broadband and mobile coverage. Coverage: Live connectivity rows matched postcode area SA4. Broadband is postcode level and mobile coverage remains area-level only in the current public seam.. Freshness: Broadband year 2024 · Mobile year 2025. Matches: 25.
Postcode Area Broadband Mobile Freshness
SA4 0AA Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0AB Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0AD Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0AE Carmarthenshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Mobile year 2025
SA4 0FB Carmarthenshire Broadband coverage is mixed
Gigabit availability is 22.2%, with 22.2% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FD Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FE Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FF Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FG Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FH Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FJ Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FL Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FN Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FP Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FQ Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FR Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FS Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FT Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FU Carmarthenshire Broadband coverage is mixed
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0FW Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0NL Carmarthenshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Mobile year 2025
SA4 0TF Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0TG Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0TJ Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SA4 0TN Carmarthenshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 94.3%
4G strong-coverage share is 94.3%, with 5G at Unavailable in the current area-level summary.
 Broadband year 2024 · Mobile year 2025

Known caveats

  • Mobile coverage is still served at area level in the public seam, so treat it as a shortlist signal rather than a street-level verdict.
  • Connectivity rows do not replace a final provider and address-level availability check before you commit to a property.
  • If you search a postcode area, neighbouring postcode rows can differ enough that the exact postcode follow-up still matters.