Area code 20 in the United Kingdom serves the vibrant and dynamic city of London, a global hub for commerce, finance, and culture. With its iconic landmarks and a rich history, London offers a fertile ground for business growth and innovation. A business owner might choose this local area code to establish a prestigious presence, tapping into a diverse and affluent customer base. London's extensive transport links and networking opportunities further enhance its appeal. By associating with this renowned city, businesses can leverage its international reputation and access a myriad of resources to drive success and expansion.