Compare the Top Second Phone Number Services in the UK as of January 2026

What are Second Phone Number Services in the UK?

Second phone number services provide individuals and businesses with an additional phone number that can be used separately from their primary phone line. These services are commonly used for privacy, marketing purposes, or managing work and personal calls. Second phone numbers can be used for different purposes, such as handling customer inquiries, managing online transactions, or protecting personal phone numbers from exposure. Many services offer features like call forwarding, voicemail, text messaging, and the ability to choose a local area code. These services are particularly useful for freelancers, entrepreneurs, or anyone who needs to maintain separate lines for personal and professional use. Compare and read user reviews of the best Second Phone Number services in the UK currently available using the table below. This list is updated regularly.

  • 1
    iPlum

    iPlum

    iPlum

    iPlum is a mobile first solution for business professionals. iPlum works on your existing smartphone without changing carriers. Get best call quality & text in any situation. Give a professional touch for your business with phone tree virtual extensions. Works well for both large businesses and solo professionals. Promptly respond to your calls & texts during business hours and send them directly to your voicemail during non-business hours. Organize your team with a centralized portal. Add and manage iPlum users with different profiles and permissions in a corporate account. Tell your customers you care by automatically sending smart business text for missed calls or texts. Attach a signature for your texts. Texting in legal or healthcare business requiring HIPAA compliance, use secure channels with encryption. Your clients get FREE iPlum app to send you secure texts. It is critical to protect client data as per privacy and security regulations.
    Starting Price: $8.99 per user per month
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  • 2
    Numero eSIM

    Numero eSIM

    Numero eSIM

    Numero provides global communication solutions through virtual numbers, eSIMs, and flexible calling plans. Whether you're a traveler, a business owner, or someone who needs affordable international communication, Numero offers the flexibility to stay connected without geographical limitations. Key Features: SIMless Communication: No need for a physical SIM card, allowing easy and flexible communication anywhere in the world. VoIP (Voice over Internet Protocol): Make affordable calls over the internet, bypassing traditional phone networks to offer lower costs for both local and international calls. eSIMs: Access eSIM data plans and stay connected to the internet worldwide without the need for a physical SIM card. Ideal for travelers who need mobile data on the go.
    Starting Price: €1.5
  • 3
    Sonetel

    Sonetel

    Sonetel

    Phone Numbers Worldwide + Customer Chat + Team Communication, in a single Free App. Have your own local phone number in any city or country worldwide. Showing a local number to visitors at your web site increases trust and sales. You can get it for free if you also use our free chat function at your website. Otherwise prices start at $1.79/month. Incoming calls can be answered for free in our new apps or be forwarded anywhere worldwide at the cost of a local call. We believe that globalization and entrepreneurship are the key drivers for making this planet a better place. By empowering entrepreneurs in the most remote corners of the world, with a communication solutions that remove distance and levels the playing field, we hope to contribute to this progress. About 170,000 out of those that have signed up – across 170 countries – have also become paying customers.
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    Starting Price: $0
  • 4
    conXhub

    conXhub

    conXhub

    conXhub is a Cellular software company that addresses the same marketplace as VoIP. Patented technology combines data and cellular - from a single mobile device to an international call-centre infrastructure. Don't spend money on new phones or phone systems, use what you've already got. For businesses that rely on VoIP, we provide an alternative - built on the strengths of mobile networks. No issues with power outages, internet failure, poor quality calls, security, or flexible working.
    Starting Price: $5/month/user
  • 5
    PhoneBurner

    PhoneBurner

    PhoneBurner

    PhoneBurner is a power dialer and sales acceleration platform that helps B2B & B2C sales teams engage more contacts in quality conversations. Now with ARMOR - the most comprehensive and done-for-you spam protection and answer rate solution. With average answer rates >10%, PhoneBurner powers millions of conversations - with no awkward pauses or connection delays - for 3000+ revenue-focused clients. PhoneBurner blends calls, email, and SMS and handles time-consuming tasks - like leaving voicemails, sending emails, logging calls, and performing post-call workflows. Reps spend their time talking and closing deals. Manage an entire team from one dashboard. Access cutting-edge reporting and analytics, automatically distribute leads, monitor and coach reps live and ensure KPIs are trending in the right direction. Teams rave about the productivity increases, ease of use, answer rates, and commitment-free packages. Try PhoneBurner free today.
    Starting Price: $149/month/user
  • 6
    YouMail

    YouMail

    YouMail

    YouMail, Inc protects consumers, enterprises, and carriers from harmful phone calls. We protect consumers with app-based call protection services. We protect consumer-facing enterprises by detecting and helping to shut down imposter traffic that can lead to financial or brand damage. We protect carriers with robocall mitigation services that detect when bad traffic is originating, traversing, or terminating on their networks. Our direct consumer solutions answer over a billion live calls per year across well over 10 million registered users, powering America's most robust telephone sensor network in identifying and providing zero-hour protection against illegal calling campaigns and cyberattacks. We also operate the Robocall Index ™, the nation’s definitive source on telephone network activity and attacks. YouMail has 10 million users, answered 10 billion calls, and stopped over 1 billion robocalls! Our reverse phone lookup service is used by millions every month.
    Starting Price: $14.99 per month
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