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Postcode area report · 1,112 postcodes

BT48 postcode area guide — Derry City and Strabane

House prices, crime, broadband speeds, mobile signal, schools and demographics for the BT48 postcode district in Derry City and Strabane — every official dataset on one page.

The BT48 postcode district serves Derry City and Strabane, Northern Ireland, with 1,112 postcodes currently in use.

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Where is BT48?

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Broadband & internet speeds in BT48

Excellent coverage

Superfast (30Mb+)

98%

Ultrafast (300Mb+)

90.5%

Gigabit-capable

90.5%

Below USO (10Mb)

0.1%

Broadband availability in the BT48 postcode district (Derry City and Strabane) is Excellent — gigabit-capable full fibre is widely available. Across the 1,112 postcodes Ofcom measures in BT48, superfast broadband (30 Mbit/s or faster) reaches 98% of premises and gigabit-capable lines are available to 90.5%.

Around 0.1% of premises in BT48 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 BT48

PostcodeSuperfastGigabit
BT48 0AA100%97.6%
BT48 0AB100%20%
BT48 0AD100%100%
BT48 0AE100%50%
BT48 0AF100%100%
BT48 0AG100%100%
BT48 0AH100%100%
BT48 0AJ100%100%
BT48 0AL100%68.1%
BT48 0AN100%66.7%

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.

Crime in BT48

Police recorded 265 incidents within about a mile of the centre of BT48 in May 2026 (latest published street-level data). The breakdown:

CategoryIncidentsShare
Violence & sexual offences9636.2%
Anti-social behaviour6624.9%
Criminal damage & arson3111.7%
Shoplifting207.5%
Other theft197.2%
Other crime114.2%
Drugs93.4%
Burglary51.9%

Raw counts favour busy town centres — a high street with shops and nightlife records more incidents than a residential cul-de-sac. Source: police.uk open data (point sample around the district centroid).

Food hygiene ratings in BT48

554 rated food businesses operate in BT48. 366 hold the top rating of 5, 105 are rated 4, and 4 are rated 2 or below.

Among the 5-rated: 76tattoohouse/croicoffeehouse, 7Twenty Bar, Abbey B&B, Abbey House, Abercorn Bar.

Source: Food Standards Agency, food hygiene ratings (FHRS) open data.

Phone area codes for Derry City and Strabane

Landlines around BT48 typically use:

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What's it like living in BT48?

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Moving to BT48? Sort your connectivity first

We arrange broadband, full-fibre, leased lines, VoIP and business mobiles across Derry City and Strabane — free, no-obligation quote.

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Postcodes in BT48

Neighbouring districts

All Belfast (BT) postcode districts ›

Frequently asked questions

Where is the BT48 postcode?
BT48 covers Derry City and Strabane in Northern Ireland. It contains 1,112 live postcodes. The map above shows the district centre; the postcode list further down covers individual addresses.
Is BT48 a safe area?
Police recorded 265 incidents within a mile of the centre of BT48 in May 2026, with Violence & sexual offences the most common category. Compare the breakdown above and check street-level detail on police.uk before drawing conclusions — a busy high street inflates raw counts.
What broadband can I get in BT48?
Ofcom Connected Nations puts superfast availability in BT48 at 98% of premises, with gigabit-capable lines reaching 90.5%. Enter a full postcode in the checker on this page for address-level availability.

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.

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