Use the full area code before the local subscriber number.
UK geographic telephone code
01438 area code: Stevenage
The 01438 dialling code is associated with Stevenage.
How to dial Stevenage
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 01438 numbers
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Blocked the number.
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Leaving Plusnet and this number started calling me every day and today 15.07.26 2 times already blocked
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Leaving Plusnet and then started getting cold calls from this number for EE. Annoying yorkshire telesales auto dialer. Been with them for over 10years and went to a much cheaper competitor.
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NHS appointments.
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Debt solutions keep telling them to remove my number but they then ring from another phone.
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Also leaving Plusnet. So looking at the previous comments it must be connected to them.
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Safe to receive from:- the number is related to appointment booking from Lister Hospital Stevenage & The New QE2 Welwyn Garden City
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Also leaving Plusnet, so it must be them. Calling every day!
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Calls quite often, when I answer cuts off.
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Pediatric audiologists based at Lister Hospital. Carries out newborn hearing tests.
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.