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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 S49. Broadband is postcode level and mobile coverage remains area-level only in the current public seam.. Freshness: Mobile year 2025. Matches: 8.
Postcode Area Broadband Mobile Freshness
S49 1PF Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1WW Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1WX Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1XX Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1YX Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1YY Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1YZ Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 Mobile year 2025
S49 1ZS Chesterfield Partial connectivity coverage
No current broadband summary row matched this postcode.
 4G 100% · 5G 54%
4G strong-coverage share is 100%, with 5G at 54% in the current area-level summary.
 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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