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 NN17. 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
NN17 1AB	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AD	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AE	North Northamptonshire	Strong broadband coverage Gigabit availability is 97.5%, with 97.5% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AF	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AG	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AH	North Northamptonshire	Broadband coverage is mixed Gigabit availability is 37.5%, with 37.5% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AJ	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AP	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AQ	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AR	North Northamptonshire	Broadband coverage is mixed Gigabit availability is 73.7%, with 73.7% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AS	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AT	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AU	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AW	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AX	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AY	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1AZ	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BA	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BB	North Northamptonshire	Strong broadband coverage Gigabit availability is 96%, with 96% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BE	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BF	North Northamptonshire	Strong broadband coverage Gigabit availability is 95.5%, with 95.5% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BG	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BH	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BJ	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
NN17 1BL	North 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 99.1% · 5G 38.9% 4G strong-coverage share is 99.1%, with 5G at 38.9% 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.