Use the full area code before the local subscriber number.
UK geographic telephone code
01277 area code: Brentwood
The 01277 dialling code is associated with Brentwood.
How to dial Brentwood
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 01277 numbers
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Knew my name. Wanted to make an appointment to have my solar panels surveyed. I know nothing about them. Hung up when I asked how they have my name and number.
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IGNORE THESE PEOPLE THEY TRY AND SIGN YOU UP AND TRAP YOU
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Spam caller
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SCAMMERS DO NOT ANSWER
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Harassing energy company. Have phoned several times. Put the phone down on them.
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Number had been previously blocked because they failed to leave their name and number as requested on the answer machine. They tried 3 times on this occassion. Presumably a sales call.
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trying to get me to change energy company to them.Sounds like a scam & also coming from a call centre.
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didn't answer it as did not recognise number
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EE scam call
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Scam caller
Source and review
This page uses Ofcom telephone area codes area-code information retrieved on 3 September 2026.