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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 SO17. 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
SO17 1AB	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AE	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AF	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AG	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AJ	Southampton	Broadband coverage is mixed Gigabit availability is 0%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AN	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AP	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AQ	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AW	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1AX	Southampton	Partial connectivity coverage No current broadband summary row matched this postcode.	4G 100% · 5G 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Mobile year 2025
SO17 1BE	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1BF	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1BJ	Southampton	Broadband coverage is mixed Gigabit availability is 7.6%, with 10.6% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1BX	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DA	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DB	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DD	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DF	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DG	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DH	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DJ	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DL	Southampton	Strong broadband coverage Gigabit availability is 87.8%, with 87.8% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DN	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DP	Southampton	Broadband coverage is mixed Gigabit availability is 64.4%, with 64.4% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 100% · 5G 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
SO17 1DQ	Southampton	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 63.7% 4G strong-coverage share is 100%, with 5G at 63.7% 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.

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