![Landline phone-users in five areas now have to include area code for local calls | Telecoms | The Guardian Landline phone-users in five areas now have to include area code for local calls | Telecoms | The Guardian](https://i.guim.co.uk/img/static/sys-images/Guardian/Pix/pictures/2014/10/1/1412159753354/7995cc0a-2eb2-4a1a-88d4-8874a9851949-1020x612.jpeg?width=1200&height=630&quality=85&auto=format&fit=crop&overlay-align=bottom%2Cleft&overlay-width=100p&overlay-base64=L2ltZy9zdGF0aWMvb3ZlcmxheXMvdGctYWdlLTIwMTQucG5n&enable=upscale&s=eebeb2e1482599a7b31422f6150c087e)
Landline phone-users in five areas now have to include area code for local calls | Telecoms | The Guardian
![01 London area code phone number, which was replaced several years ago, still on display on the front on a business in Twickenham. London. UK. (96 Stock Photo - Alamy 01 London area code phone number, which was replaced several years ago, still on display on the front on a business in Twickenham. London. UK. (96 Stock Photo - Alamy](https://l450v.alamy.com/450v/mktxye/01-london-area-code-phone-number-which-was-replaced-several-years-ago-still-on-display-on-the-front-on-a-business-in-twickenham-london-uk-96-mktxye.jpg)
01 London area code phone number, which was replaced several years ago, still on display on the front on a business in Twickenham. London. UK. (96 Stock Photo - Alamy
![United kingdom area codes list http://www.thetelephonecodes.com/ | Coding, Middlesbrough, Area codes United kingdom area codes list http://www.thetelephonecodes.com/ | Coding, Middlesbrough, Area codes](https://i.pinimg.com/originals/dd/96/01/dd96019785d71553ae870fe29b3a622e.jpg)