5 Platforms to Buy Virtual Phone Numbers for Business

Virtual phone numbers help businesses build a local presence, manage customer calls, send SMS messages, verify users, and support teams across different regions without opening a physical office in every location. Whether you are running a startup, contact center, SaaS company, online store, or international sales team, the right virtual number provider can make communication smoother and more flexible. Below are five platforms where you can buy virtual phone numbers, including Infobip and Twilio, with a clear look at what each one offers and who it may suit best.

1. Infobip

Infobip is another major communication platform that offers virtual phone numbers as part of a larger customer engagement solution. It supports voice, SMS, messaging apps, email, and omnichannel communication, making it suitable for companies that communicate with customers across multiple channels.

Businesses can use Infobip virtual numbers for inbound calls, outbound calls, SMS messaging, customer support, notifications, authentication, and marketing campaigns. The platform is often used by enterprises that need broad international reach and reliable message delivery.

Infobip also provides tools for contact centers, chatbots, campaign management, and customer data integration. This means a company can manage more than just phone numbers from one place. Teams can connect voice and messaging with customer journeys, support flows, and sales processes.

Key Features

• Virtual numbers for voice and SMS
• Global coverage across many markets
• Omnichannel communication tools
• Support for authentication and customer notifications
• Contact center and chatbot capabilities
• Enterprise-grade reporting and delivery tracking

Best For

Infobip is a strong fit for medium-sized companies and large enterprises that need international communication, customer engagement tools, and support across several messaging channels. It is also useful for brands that want to combine virtual numbers with campaigns, support automation, and user verification.

2. Twilio

Twilio is one of the most well-known platforms for buying virtual phone numbers and adding voice, SMS, and messaging features into apps, websites, and business systems. It is widely used by developers, startups, and large companies that want a flexible communications setup.

With Twilio, businesses can purchase local, mobile, national, and toll-free numbers in many countries. These numbers can be used for voice calls, SMS, MMS, two-factor authentication, appointment reminders, customer support, delivery updates, and automated phone systems.

One of Twilio’s biggest strengths is customization. Companies can connect Twilio numbers to their own software, CRM tools, help desk systems, or custom applications through APIs. This makes it a strong option for teams that need more than a simple calling service.

Key Features

• Local, toll-free, mobile, and national virtual numbers
• Voice calling, SMS, MMS, and verification services
• Strong API tools for developers
• Call recording, forwarding, routing, and IVR options
• Support for customer support, marketing, and authentication use cases

Best For

Twilio is a good choice for businesses with technical teams that want full control over how their phone numbers work. It is especially useful for SaaS products, marketplaces, fintech platforms, delivery services, and companies that need automated communication workflows.

3. Plivo

Plivo is a cloud communications platform that offers virtual numbers for voice and SMS. It is often seen as a practical alternative to larger communication API providers, especially for companies that want developer-friendly tools with competitive pricing.

Plivo allows businesses to buy local, toll-free, and mobile numbers in supported countries. These numbers can be used for programmable voice, SMS alerts, customer support lines, call forwarding, and verification messages.

The platform is built with developers in mind, but it can also serve businesses that need scalable voice and messaging tools without too much complexity. Plivo’s APIs, call control features, and messaging services make it useful for both growing companies and established teams.

Key Features

• Local, toll-free, and mobile virtual numbers
• Voice and SMS APIs
• Call forwarding, call recording, and call routing
• Bulk messaging and transactional SMS
• Number search and provisioning tools
• Flexible pricing options

Best For

Plivo is suitable for companies that need reliable calling and SMS services with strong API access. It can work well for customer notification systems, delivery alerts, appointment reminders, call centers, and verification flows.

4. RingCentral

RingCentral is a business phone and unified communications platform that offers virtual phone numbers, calling, messaging, video meetings, and team collaboration tools. Unlike API-first platforms, RingCentral is often used as a complete business phone system.

Companies can buy local, toll-free, vanity, and international numbers through RingCentral. These numbers can be assigned to teams, departments, sales representatives, support agents, or office locations. Calls can be managed through desktop apps, mobile apps, desk phones, or browser-based tools.

RingCentral is especially useful for companies that want a ready-to-use phone system without building custom software. It includes features like call forwarding, voicemail, auto-attendants, call queues, analytics, and team messaging.

Key Features

• Local, toll-free, vanity, and international numbers
• Business phone system with calling and messaging
• Auto-attendant and call queue features
• Voicemail, call routing, and call analytics
• Desktop and mobile apps
• Team collaboration and video meeting tools

Best For

RingCentral is a good option for small and medium-sized businesses that want a professional phone system with virtual numbers included. It is also useful for remote teams, sales departments, service teams, and companies replacing traditional office phones.

5. Vonage

Vonage offers virtual phone numbers through its business communications and API products. It serves both companies that want a cloud phone system and developers that want programmable voice, SMS, and verification tools.

With Vonage, businesses can purchase numbers for local presence, customer calls, SMS campaigns, and app-based communication. The platform supports voice APIs, messaging APIs, SIP trunking, contact center tools, and business phone features.

Vonage is flexible because it can support different types of users. A company may use Vonage Business Communications for everyday office calls, while a product team may use Vonage APIs to add voice or messaging into an app.

Key Features

• Local and toll-free virtual numbers
• Voice, SMS, and verification APIs
• Cloud business phone system
• Contact center tools
• Call routing, recording, and analytics
• SIP trunking for larger communication setups

Best For

Vonage is a strong choice for businesses that want both ready-made communication tools and programmable options. It can support sales teams, support centers, SaaS platforms, healthcare services, logistics companies, and global customer communication.

How to Choose the Right Virtual Phone Number Platform

The best platform depends on how your business plans to use virtual numbers. A developer-led company may prefer Twilio, Plivo, Infobip, or Vonage because they provide APIs for custom voice and messaging flows. A company that mainly wants a business phone system may find RingCentral easier to use.

Coverage also matters. If your customers are in several countries, check whether the provider offers local numbers, toll-free numbers, SMS support, and voice services in those regions. Some platforms may support voice in one country but not SMS in the same location.

Pricing should also be reviewed carefully. Virtual number costs may include monthly rental fees, inbound call charges, outbound call charges, SMS fees, setup costs, compliance fees, or usage-based billing. A provider that looks cheap at first may become expensive if your call or message volume grows.

Compliance is another major factor. Many countries require business registration, identity documents, address verification, or approved use cases before a number can be activated. This is especially common for SMS messaging, toll-free numbers, and regulated industries.

Twilio, Infobip, Plivo, RingCentral, and Vonage are all solid platforms for buying virtual phone numbers, but they serve different business needs. Twilio and Plivo are strong for developer-driven communication systems. Infobip is powerful for global customer engagement and multi-channel messaging. RingCentral works well for businesses that want a complete phone system. Vonage offers a mix of cloud phone features and programmable communication tools.

Before choosing a provider, list your main use cases: sales calls, customer support, SMS alerts, verification codes, international numbers, or contact center operations. Then compare coverage, features, pricing, support, and compliance requirements. A well-chosen virtual phone number platform can help your business sound local, respond faster, and manage communication more professionally.