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 OL3. 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
OL3 5AA	Oldham	Strong broadband coverage Gigabit availability is 95.7%, with 95.7% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AB	Oldham	Strong broadband coverage Gigabit availability is 93.8%, with 93.8% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AD	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AE	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AF	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AG	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AH	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AJ	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AL	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AN	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AP	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AQ	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AS	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AT	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AU	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AW	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AY	Oldham	Strong broadband coverage Gigabit availability is 82.1%, with 82.1% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5AZ	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BA	Oldham	Strong broadband coverage Gigabit availability is 95.7%, with 95.7% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BB	Oldham	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 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BD	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BF	Oldham	Broadband coverage is mixed Gigabit availability is 50%, with 50% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BG	Oldham	Strong broadband coverage Gigabit availability is 75%, with 75% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BH	Oldham	Strong broadband coverage Gigabit availability is 97%, with 97% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
OL3 5BJ	Oldham	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 90.8% 4G strong-coverage share is 100%, with 5G at 90.8% 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.