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 CO12. 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
CO12 3AA	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AB	Tendring	Strong broadband coverage Gigabit availability is 96.7%, with 96.7% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AG	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AH	Tendring	Strong broadband coverage Gigabit availability is 86.4%, with 86.4% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AJ	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AL	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AP	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AR	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AS	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AT	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AU	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AW	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3AX	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BA	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BB	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BD	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BE	Tendring	Partial connectivity coverage No current broadband summary row matched this postcode.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Mobile year 2025
CO12 3BG	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BH	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BJ	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BN	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BP	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BQ	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BS	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% in the current area-level summary.	Broadband year 2024 · Mobile year 2025
CO12 3BW	Tendring	Strong broadband coverage Gigabit availability is 100%, with 100% of premises at at least 300 Mbps and 0% below the Universal Service Obligation.	4G 98.6% · 5G 38.7% 4G strong-coverage share is 98.6%, with 5G at 38.7% 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.