BT78 postcode area guide — Derry City and Strabane
House prices, crime, broadband speeds, mobile signal, schools and demographics for the BT78 postcode district in Derry City and Strabane — every official dataset on one page.
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Where is BT78?
Broadband & internet speeds in BT78
Excellent coverage
Superfast (30Mb+)
92.3%
Ultrafast (300Mb+)
82.7%
Gigabit-capable
82.7%
Below USO (10Mb)
0.9%
Broadband availability in the BT78 postcode district (Derry City and Strabane) is Excellent — gigabit-capable full fibre is widely available. Across the 1,151 postcodes Ofcom measures in BT78, superfast broadband (30 Mbit/s or faster) reaches 92.3% of premises and gigabit-capable lines are available to 82.7%.
Around 0.9% of premises in BT78 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 BT78
| Postcode | Superfast | Gigabit |
|---|---|---|
| BT78 1AA | 100% | 100% |
| BT78 1AE | 100% | 100% |
| BT78 1AN | 100% | 100% |
| BT78 1AP | 100% | 3.9% |
| BT78 1AR | 100% | 100% |
| BT78 1AS | 100% | 100% |
| BT78 1AT | 100% | 100% |
| BT78 1AU | 100% | 100% |
| BT78 1AW | 100% | 100% |
| BT78 1AY | 100% | 100% |
Run a speed test to see what you're actually getting, or check your exact postcode.
Mobile signal around Derry City and Strabane
Ofcom's coverage model for the wider Derry City And Strabane district (69,350 premises):
4G indoors — all networks
78.4%
4G outdoors — all networks
96.9%
5G outdoors — all networks
27.7%
Voice indoors — all networks
79.3%
Signal varies street by street — use the mobile coverage checker to compare EE, O2, Three and Vodafone at an exact postcode.
Food hygiene ratings in BT78
300 rated food businesses operate in BT78. 204 hold the top rating of 5, 49 are rated 4, and 5 are rated 2 or below.
Among the 5-rated: 9th Avenue, 9th Avenue Pizzeria, A Primeira, Abercorn Arms, Absolute Catering Supplies.
Source: Food Standards Agency, food hygiene ratings (FHRS) open data.
Phone area codes for Derry City and Strabane
Landlines around BT78 typically use:
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What's it like living in BT78?
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Moving to BT78? Sort your connectivity first
We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Derry City and Strabane — free, no-obligation quote.
Postcodes in BT78
Neighbouring districts
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Frequently asked questions
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Sources: HM Land Registry Price Paid Data, police.uk street-level crime, Ofcom Connected Nations, ONS Census 2021, DfE Get Information about Schools, Food Standards Agency FHRS — all © Crown copyright, licensed under the Open Government Licence v3.0. Figures are area aggregates; individual addresses vary. Energy performance (EPC) data will be added when our Open Data Communities registration is approved.