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 SO51. 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
SO51 0AA Test Valley Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Mobile year 2025
SO51 0AB Test Valley Below-USO risk present
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 100% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AD Test Valley Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Mobile year 2025
SO51 0AE Test Valley Below-USO risk present
Gigabit availability is 0%, with 0% of premises at at least 300 Mbps and 18.8% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AF Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AG Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AH Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AJ Test Valley 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 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AL Test Valley Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Mobile year 2025
SO51 0AN Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AP Test Valley 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 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AQ Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AR Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AS Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AT Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AU Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AW Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AX Test Valley Broadband coverage is mixed
Gigabit availability is 71.2%, with 71.2% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AY Test Valley Strong broadband coverage
Gigabit availability is 91.9%, with 91.9% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0AZ Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0BA Test Valley Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Mobile year 2025
SO51 0BB Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0BD Test Valley Broadband coverage is mixed
Gigabit availability is 74.6%, with 74.6% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0BE Test Valley Strong broadband coverage
Gigabit availability is 82.4%, with 82.4% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
SO51 0BF Test Valley Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.3% · 5G 25%
4G strong-coverage share is 98.3%, with 5G at 25% 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.