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01438 who called me? Stevenage area code

The 01438 dialling code covers Stevenage. A landline with this code was registered in that area.

Dialling code
01438
Covers
Stevenage
From abroad
+44 1438 …
Local number length
6 digits

01438 is the dialling code for Stevenage and the surrounding area in Hertfordshire. See where it is, who uses it and what to do if an unknown 01438 number rings you.

Where is the 01438 area code?

Stevenage and Knebworth. The code belongs to Hertfordshire.

Written in full, a local number looks like 01438 123456. From abroad, dial +44, drop the first 0 and then the rest of the number.

About Stevenage

Stevenage was Britain’s first new town and today hosts MBDA and GSK, so 01438 appears in aerospace and pharma calls.

Got a call from a 01438 number?

A 01438 number tells you roughly where a line is registered, not who is calling. Scammers can spoof any UK number, including local ones, so never rely on the area code alone to judge a caller.

If the caller asks for a PIN, a one-time passcode, remote access to your computer or an urgent payment, hang up and call the organisation back on the number printed on your card or bill. To reduce sales calls, register with the Telephone Preference Service, and report scams to Report Fraud (reportfraud.police.uk, formerly Action Fraud) or by forwarding a text to 7726. Search the full number on this site to see what other people have reported.

Does the code tell you where the caller is?

Not reliably. Modern phone systems let any business display any UK dialling code, and call centres often pick a regional code so the call looks local and you pick up. The code tells you where the line was registered, not where the person sits.

That is why the individual number matters more than the code. If someone has already reported it, you will see it below.

Reported 01438 numbers

Nobody has reported a number from this area yet.