Types of phone numbers
Microsoft Teams uses different telephone number types depending on the purpose for which you want to use the phone number.
Teams uses user numbers, which can be assigned to users in your organization, and service numbers, which are assigned to services such as Audio Conferencing, auto attendants, or call queues. Service phone numbers have a higher concurrent call capacity than user numbers. Service phone numbers are available but will vary by country/region and the type of number (whether it's a toll or toll-free number). If you need additional or other number types other than those numbers seen in the Teams admin center, you can submit a phone number request to the TNS Service Desk.
Note
Please note that there are regions and country limitations for the availability of non-geographic numbers. If you have further questions or need to get more phone numbers, contact the TNS Service Desk.
User numbers
User numbers are assigned to users, and there are two kinds:
Geographic numbers: Geographic numbers have a relationship to a geographic area and are the most common. For example, geographic phone numbers in most cases can only be used within a certain address, city, state, or region of the country.
Non-geographic numbers: Non-geographic numbers are national numbers that don't have a relationship to a geographic area within a country/region. For example, non-geographic numbers often have the same cost when calling the number from anywhere within the country/region. Also, some countries, such as Denmark, only have non-geographic numbers available.
Service numbers
Service numbers are available in several different number types, and availability does vary by country/region.
Toll service numbers
Toll service numbers may incur a toll cost to the caller, and there are two kinds:
Geographic numbers: Geographic numbers have a relationship to a geographic area. For example, geographic phone numbers in most cases can only be used within a certain address, city, state, or region of the country.
Non-geographic numbers: Non-geographic numbers are national numbers that don't have a relationship to a geographic area within a country/region. For example, non-geographic numbers often have the same cost when calling the number from anywhere within the country/region.
Toll-free service numbers
These service numbers don't typically incur a toll cost to the caller. Teams provides national toll-free numbers in over 60 countries/regions.
Caution
Some countries/regions and originating number types, such as calls originating from mobile phones, may in some cases incur a toll cost to the caller.
Related topics
Manage phone numbers for your organization
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