Use the full area code before the local subscriber number.
UK geographic telephone code
01917 area code: Sunderland
The 01917 dialling code is associated with Sunderland.
How to dial Sunderland
Use +44 and remove the leading zero from the area code.
An area-code match describes the number range, not the caller's identity or current physical location. Caller ID can also be spoofed.
Recent reports for 01917 numbers
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went straight to voicemail but was silent .
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This number comes up as ThenTAX they send a text message asking for money and threaten the will take action against you
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Just rang off when I picked up W⚓️
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called my mobile. Did not answer as showing as suspected spam
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Call to Edinburgh land-line 13.20pm 04/11/25 no message left. Never answer unknown number.
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Energy advice
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didnt answer as dont know the number
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3 calls in 2hrs clowns i never answer unknown numbers
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Noisy call centre.
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Disshonest
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.