Numbers
What a second phone number actually includes, and what it does not
A number subscription and calling credit are two different things. Knowing which one covers what stops the second month of a number being a surprise.
Renting a second phone number is straightforward to buy and easy to misread. The subscription and the calling balance are separate products that happen to sit next to each other, and almost every question the support desk gets about numbers comes down to somebody expecting one of them to cover the other.
Quick takeaways
- The subscription keeps the number yours and keeps incoming service on.
- Outgoing calls and messages spend credit at the destination rate.
- Availability and paperwork vary by country, and are checked before you pay.
The subscription buys the number, not the traffic
What a monthly or yearly subscription pays for is the number itself: reserved to you, reachable, and staying reachable for as long as the subscription runs. Incoming calls are part of that — somebody dialling you is using the service you have already paid for. This is the part people correctly expect.
What the subscription does not include is what you send. An outgoing call has to be carried by a carrier to a destination that charges for it, and those rates differ enormously by country and by whether the destination is a landline or a mobile. Bundling that into a flat fee would either make the fee large enough to cover the worst case or make the cheap destinations subsidise the expensive ones, and neither is honest.
Credit is the other half, and it is per-destination
Calling credit is a balance you top up and spend at the rate for the number you dialled. The rate is a property of the destination, not of you: calling a mobile in one country can cost several times what calling a landline in the next country costs, and no plan design changes that underlying arithmetic.
The useful habit is to check the rate before a long call rather than after it. Entering the full international number in the dialler shows the rate that applies to that specific call, which is more reliable than reasoning from a country's reputation — mobile and landline rates within the same country routinely differ by a factor of five.
Why your country might not be on the list
Number availability is set by regulators, not by us. Several countries require a verified local address, a business registration, or a compliance filing before a number can be issued, and some require it before the number can even be reserved. Where that paperwork is not in place, the country stays off the list rather than appearing and failing after payment.
The checks run before a purchase completes: carrier inventory, the capabilities of the specific number, and the country's compliance requirements. That is deliberately the slower path. A number that cannot be activated is worth more as a clear refusal than as a completed order and a refund three days later.
A number subscription and calling credit answer two different questions: whether people can reach you, and what it costs when you reach out. Buy the first for the trip, keep enough of the second for the calls you actually expect to make, and check the rate in the dialler rather than guessing from the country.
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