How to Get a Foreign Mobile Number: Physical SIM vs. eSIM

Need a foreign mobile number? Learn the differences between physical SIM and eSIM, and find out which option suits your travel or business needs best!

Written by
Lukas Bauer
Published
February 16, 2025
Last Update
March 28, 2025

Electronic SIM cards, commonly known as eSIMs, are revolutionizing the way we connect to mobile networks. Unlike traditional physical SIM cards, eSIMs are embedded into devices and can be programmed remotely, providing a more flexible and seamless user experience. As the world becomes more digitally interconnected, eSIMs are gaining popularity for their convenience, enhanced functionality, and the innovative ways they enable users to manage mobile connectivity.

Advantages of eSIMs Over Traditional SIM Cards

1. Convenience and Flexibility

One of the most significant advantages of eSIMs is their convenience. Unlike traditional SIM cards, which require physical handling, eSIMs can be activated and configured digitally. This means users can switch carriers or plans without needing to visit a store or wait for a new SIM card to arrive by mail. This flexibility is particularly beneficial for frequent travelers and business professionals who need to switch between carriers and plans frequently.

2. Multiple Profiles

eSIM technology allows users to store multiple profiles on a single device. This means you can have different phone numbers and plans from various carriers on one device. For instance, you can have a personal line, a business line, and a travel line all on the same smartphone. Switching between these profiles is easy and can be done through the device’s settings.

3. Enhanced Security

eSIMs offer better security features compared to traditional SIM cards. Because they are embedded within the device, they are less likely to be lost, stolen, or damaged. Additionally, eSIM profiles can be remotely managed, which means they can be quickly reconfigured or disabled if a device is lost or stolen. This remote management capability also reduces the risk of SIM swapping attacks, a common method of fraud where an attacker tricks a carrier into transferring a victim's phone number to a new SIM card.

4. Environmental Impact

eSIMs have a positive impact on the environment. Traditional SIM cards are made of plastic and come with additional packaging, contributing to waste. In contrast, eSIMs eliminate the need for physical cards and packaging, reducing plastic waste and the carbon footprint associated with manufacturing and shipping physical SIM cards.

5. Space Saving

For device manufacturers, eSIMs offer a significant advantage in terms of space-saving. The absence of a physical SIM card slot allows for more compact designs or the inclusion of other components, enhancing the overall functionality and design of devices. This is particularly important in the era of compact and sleek devices such as smartphones, smartwatches, and other IoT gadgets.

Reasons to Get a Foreign eSIM

Obtaining a foreign eSIM can be beneficial for various reasons beyond just avoiding roaming charges. Here are some key reasons why you might consider getting a foreign eSIM:

  • Access to Region-Specific Services

Certain online services and apps are restricted to specific countries or regions. Some services require users to verify a phone number from a particular country to access their offerings. By obtaining a foreign eSIM with a local number, you can bypass these regional restrictions and gain access to services that might otherwise be unavailable to you. This is particularly useful for digital nomads or expatriates who need to interact with services tied to their home country.

  • Enhanced Privacy and Anonymity

Using a foreign eSIM can enhance your privacy and anonymity online. For example, if you want to maintain a separation between your primary phone number and your online activities, a foreign eSIM allows you to use a different number for registration and verification purposes. This can help protect your personal information from being linked to your primary contact details.

  • Cost-Effective Data Plans

Foreign eSIMs often offer competitive data plans that can be more cost-effective than roaming packages or international data plans from your home carrier. This is particularly advantageous for travelers who need reliable internet access without incurring high roaming fees. Regional and local eSIM plans can provide significant savings compared to global plans, making it a practical choice for both short-term and long-term stays.

  • Flexibility and Multiple Profiles

A foreign eSIM allows you to have multiple profiles on a single device, which can be particularly useful for frequent travelers or expatriates. You can maintain a local number for day-to-day use in the country you’re currently in while keeping your primary number active for calls and messages from your home country. This flexibility simplifies managing different communications needs without switching physical SIM cards.

Obtaining a Foreign Mobile eSIM

Airalo: Your Go-To eSIM Aggregator

Airalo simplifies obtaining foreign eSIMs by aggregating offers from various providers into one platform. Here’s a quick overview of what Airalo provides:

What Airalo Offers

  • Global Plans: Data coverage across multiple countries, ideal for frequent travelers.
  • Regional Plans: Coverage in specific regions, perfect for exploring neighboring countries.
  • Local Plans: Affordable data plans for single countries, ideal for extended stays.

How It Works

  1. Browse and Select: Choose from a wide range of eSIM options based on destination and data needs.
  2. Purchase and Download: Buy the plan, receive activation details or a QR code.
  3. Activate: Scan the QR code or enter details into your device’s settings for immediate data access.

Why Choose Airalo

  • Convenience: Aggregates various providers into one easy-to-use platform.
  • Variety: Offers global, regional, and local plans to suit different travel needs.
  • Cost-Effectiveness: Competitive pricing and special promotions available.
  • User-Friendly: Intuitive interface and clear instructions for a hassle-free experience.

Airalo provides a streamlined solution for obtaining and managing foreign eSIMs, making it a practical choice for travelers seeking reliable and flexible mobile data options.

Alternatively, you could also manually browse the offering of the main Internet Service Providers for the country you are interested in.

Using Bitrefill for More Privacy

Bitrefill is a platform that allows users to purchase mobile top-ups, gift cards, and eSIMs using cryptocurrencies, offering a higher level of privacy compared to traditional methods. Here’s how to obtain a foreign mobile eSIM through Bitrefill:

  1. Visit Bitrefill’s Website: Go to the Bitrefill website and create an account if you don’t already have one.
  2. Browse eSIM Options: Navigate to the eSIM section and browse available plans for your destination country.
  3. Select and Purchase: Choose the eSIM plan that suits your needs. Bitrefill accepts various cryptocurrencies, allowing for anonymous transactions.
  4. Receive Activation Details: After the purchase, Bitrefill will provide you with the eSIM activation details, typically in the form of a QR code.
  5. Activate eSIM: Scan the QR code using your device’s eSIM settings to activate the profile.

Using Bitrefill offers the advantage of maintaining privacy since you can complete the entire transaction without providing personal details typically required by traditional ISPs.

  • Pros:
    • Privacy-focused with cryptocurrency payments.
    • Wide range of options for different countries.
    • No need to provide personal information.
  • Cons:
    • Limited customer support.
    • Reliance on cryptocurrency, which may not be familiar to all users.
    • Potentially higher costs due to cryptocurrency transaction fees.

Bitrefill Global eSIM data plan

Bitrefill’s eSIM plans are designed primarily for data use rather than providing new phone numbers. They offer options for privacy-conscious users and travelers aiming to avoid roaming charges. Data bundles are available in 1 GB to 20 GB sizes, with durations of 7, 15, or 30 days.

For instance, the Global eSIM plan provides 10 GB of data for 30 days at approximately 85.76 USDT. More economical regional and local plans are also available. The North American plan offers the same data for 30 days at 33.90 USDT, while the European plan costs just 21.88 USDT. These regional options offer significant savings for travelers in specific areas.

Using Silent.link for Enhanced Privacy

Silent.link is another service that provides mobile connectivity with a strong focus on privacy. Silent.link offers anonymous eSIMs that do not require personal information for activation. Here’s how to obtain a foreign mobile eSIM through Silent.link:

  1. Visit Silent.link’s Website: Go to the Silent.link website and browse their eSIM plans.
  2. Select and Purchase: Choose the plan that suits your needs. Silent.link allows payments through cryptocurrencies, ensuring anonymity.
  3. Receive Activation Details: After the purchase, you will receive an activation QR code.
  4. Activate eSIM: Scan the QR code using your device’s eSIM settings to activate the profile.

Pros:

  • Strong focus on privacy and anonymity.
  • Simple and straightforward process.
  • Payments via Bitcoin, Monero and Bitcoin Lightning.

Cons:

  • Limited plan options compared to traditional ISPs.
  • No traditional customer support.
  • Dependent on understanding and using cryptocurrency.

Silent.link’s emphasis on privacy means you can stay connected while traveling without compromising your personal information.

Silent.Link eSIM Offering

Silent.link offers more than just traditional eSIM data plans by providing foreign mobile numbers with the anonymity of cryptocurrencies like Monero. Their global data plans start at $9, which includes $5 of credit and $0.95 per GB of data. 

Additionally, users can acquire foreign numbers, renew them, and migrate them to other devices. The US package starts at $59 with a $5 initial balance, while the UK number is priced at £58, and a Netherlands number costs $65. Silent.link’s unique offering ensures privacy and flexibility for users seeking anonymous connectivity solutions.

Future of eSIM Technology

The future of eSIM technology looks promising as it continues to evolve and integrate into more devices. Several trends and developments are likely to shape the future landscape of mobile connectivity:

1. Increased Adoption

As more device manufacturers and carriers embrace eSIM technology, its adoption is expected to grow significantly. This will lead to a more seamless and interconnected world where switching carriers and managing multiple profiles becomes second nature.

2. Enhanced Security Features

Future eSIMs are likely to incorporate even more advanced security features, further reducing the risk of fraud and unauthorized access. Innovations such as biometric authentication and advanced encryption will enhance the security of eSIM profiles.

3. Integration with IoT Devices

The Internet of Things (IoT) is expanding rapidly, and eSIMs are poised to play a crucial role in this ecosystem. eSIMs will enable IoT devices to connect to networks more efficiently, supporting a wide range of applications from smart homes to autonomous vehicles.

4. Improved User Experience

As the technology matures, the user experience of managing eSIMs will become even more intuitive and user-friendly. Enhanced interfaces and automated processes will make it easier for users to switch profiles, manage plans, and stay connected.

5. Regulatory Support

Governments and regulatory bodies are recognizing the benefits of eSIM technology and are likely to support its adoption through favorable regulations. This will help in standardizing eSIM deployment and usage across different regions.

Conclusion

The rise of eSIM technology marks a significant shift in how we manage mobile connectivity, offering unparalleled convenience, flexibility, and enhanced security over traditional SIM cards. The ability to store multiple profiles, the environmental benefits, and the seamless user experience make eSIMs an attractive option for travelers, expatriates, and privacy-conscious users alike.

Platforms like Airalo, Bitrefill, and Silent.link each offer unique advantages for obtaining foreign eSIMs, from aggregated provider options and cryptocurrency payments to anonymous connectivity solutions. These services cater to a variety of needs, whether it's accessing region-specific services, maintaining privacy, or finding cost-effective data plans.

As eSIM adoption grows and technology continues to evolve, we can expect even greater integration with IoT devices, advanced security features, and improved user experiences. The future of mobile connectivity is poised to be more interconnected, secure, and user-friendly, thanks to the innovative capabilities of eSIM technology.

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