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 CF40. 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
CF40 1AA	Rhondda Cynon Taf	Partial connectivity coverage No current broadband summary row matched this postcode.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Mobile year 2025
CF40 1AG	Rhondda Cynon Taf	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 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AJ	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 92.3%, with 92.3% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AL	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AN	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 85.7%, with 85.7% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AP	Rhondda Cynon Taf	Broadband coverage is mixed Gigabit availability is 73.9%, with 73.9% of premises at at least 300 Mbps and 4.3% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AR	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 76.9%, with 76.9% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AS	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AT	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AU	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AW	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 75%, with 75% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AY	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1AZ	Rhondda Cynon Taf	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 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BA	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BB	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BE	Rhondda Cynon Taf	Broadband coverage is mixed Gigabit availability is 20%, with 20% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BF	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BG	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BH	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BJ	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BL	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BN	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BP	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BQ	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CF40 1BS	Rhondda Cynon Taf	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 96.2% · 5G 0.7% 4G strong-coverage share is 96.2%, with 5G at 0.7% 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.