Ofcom data · 798 postcodes

B23 broadband coverage — Birmingham

Full-fibre, gigabit and superfast broadband availability across the B23 postcode district, plus business broadband and leased-line options for Birmingham.

Excellent coverage

Superfast (30Mb+)

97.3%

Ultrafast (300Mb+)

91.6%

Gigabit-capable

90%

Below USO (10Mb)

Check broadband at your exact B23 postcode

District figures are an average — get the precise availability, full-fibre status and mobile signal for your address.

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Broadband in B23

Broadband availability in the B23 postcode district (Birmingham) is Excellent — gigabit-capable full fibre is widely available. Across the 798 postcodes Ofcom measures in B23, superfast broadband (30 Mbit/s or faster) reaches 97.3% of premises and gigabit-capable lines are available to 90%.

Around 0% of premises in B23 fall below the Universal Service Obligation (a minimum of 10 Mbit/s download and 1 Mbit/s upload), so the overwhelming majority of homes and businesses here can already order a decent fixed line. For a business that depends on its connection, the figures that matter most are gigabit and full-fibre availability — the symmetric, low-contention services we quote leased lines and FTTP against.

Sample postcodes in B23

Postcode	Superfast	Gigabit
B23 5AA	100%	100%
B23 5AB	100%	30%
B23 5AD	100%	0%
B23 5AE	100%	57.6%
B23 5AF	100%	16.7%
B23 5AG	100%	26.7%
B23 5AH	100%	76.9%
B23 5AJ	100%	90.9%
B23 5AL	100%	100%
B23 5AN	100%	100%

Business broadband & leased lines in Birmingham

Whether the B23 district has full fibre yet or not, we can connect your business. Where FTTP and gigabit are live we quote ultrafast full-fibre; where they aren't, a leased line still delivers guaranteed, symmetric speeds with an SLA. We also handle mobile coverage and VoIP for the same site.

Get a business broadband quote for B23

Free, no obligation — full fibre, leased line or FTTC, matched to what's actually available at your postcode.

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Nearby B districts

B31 — 94.4% gigabit B90 — 91.4% gigabit B77 — 78.5% gigabit B70 — 81.1% gigabit B98 — 74.9% gigabit B29 — 93% gigabit B63 — 90.4% gigabit B14 — 96.3% gigabit B74 — 83% gigabit B60 — 82.2% gigabit

See all Birmingham (B) broadband coverage ›

Frequently asked questions

What broadband speeds are available in the B23 area (Birmingham)?

In the B23 area (Birmingham), superfast broadband (30 Mbit/s+) is available to approximately 97.3% of premises and gigabit-capable broadband to around 90%, based on Ofcom Connected Nations data. Exact availability varies by postcode — enter your full postcode in our checker for a precise result.

Can I get full-fibre or gigabit broadband in the B23 area (Birmingham)?

Gigabit-capable coverage in the B23 area (Birmingham) stands at about 90% of premises. Where gigabit and full-fibre (FTTP) are live, businesses can order symmetric, low-latency connections — ideal for cloud, VoIP and multi-site working. If full fibre hasn't reached your premises yet, a leased line can still deliver guaranteed gigabit speeds.

How do I check broadband at my exact address in the B23 area (Birmingham)?

Use the free broadband postcode checker on this page: enter your postcode to see fixed-broadband availability, gigabit/full-fibre coverage and mobile signal for all four networks at that location, sourced from official Ofcom data.

Who provides business broadband in the B23 area (Birmingham)?

Most UK providers serve the B23 area (Birmingham) over the Openreach and (where present) CityFibre or Virgin Media networks. Connection Technologies arranges business broadband, full-fibre (FTTP) and leased lines across the area — request a quote to compare options for your postcode.

Broadband availability data © 2026 Ofcom (Connected Nations), licensed under the Open Government Licence v3.0. Figures are area averages and predictions; availability at an individual address may differ — always confirm with a postcode-level check.