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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 NN1. 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
NN1 1AF West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1AG West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1AJ West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1AL West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1BF West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1BQ West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1BX West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1DA West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DD West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1DE West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1DF West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DH West Northamptonshire Broadband coverage is mixed
Gigabit availability is 0.3%, with 0.3% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DJ West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DN West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1DP West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DQ West Northamptonshire Strong broadband coverage
Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1DR West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1DT West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1EA West Northamptonshire Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Mobile year 2025
NN1 1ED West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1EE West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1EL West Northamptonshire Broadband coverage is mixed
Gigabit availability is 57.1%, with 57.1% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1EN West Northamptonshire 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 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1EP West Northamptonshire Broadband coverage is mixed
Gigabit availability is 61.5%, with 61.5% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% in the current area-level summary.
 Broadband year 2024 · Mobile year 2025
NN1 1EQ West Northamptonshire Broadband coverage is mixed
Gigabit availability is 4.2%, with 4.2% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.
 4G 98.9% · 5G 55.9%
4G strong-coverage share is 98.9%, with 5G at 55.9% 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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