Area Code 61 – Mobile Network
The phone area code for Mobile Network is 61 (international format +3161). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 61
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Overview of +31 61 (Mobile Network Prefix)
The +31 61 prefix is a non-geographic mobile network code assigned within the Netherlands' national numbering plan. Unlike geographic area codes (e.g., 020 for Amsterdam, 010 for Rotterdam), the 61 prefix is not tied to any specific city or region. Instead, it is allocated to mobile network operators (MNOs) and mobile virtual network operators (MVNOs) for cellular services. This means that a number starting with +31 61 can belong to a subscriber anywhere in the country, and the number does not reveal the caller's physical location.
Number Structure and Formatting
Dutch mobile numbers are nine digits long after the country code, including the leading '6' and the following two digits (e.g., 61). The full international format is +31 61 XXXXXXX, where 'X' represents the subscriber number digits. When dialing domestically, you must use the national trunk prefix '0' before the 61, resulting in 061 XXXXXXX. For example, a typical mobile number might be +31 61 2345678 (international) or 061 2345678 (domestic). It is important to note that the total number of digits after the country code is always nine, so the subscriber portion after '61' consists of seven digits.
Dialing Instructions
- From within the Netherlands: Dial 0 followed by the 61 prefix and the seven-digit subscriber number (e.g., 061 2345678).
- From outside the Netherlands: Dial your country's international access code (typically 00 or +), then 31 (the Netherlands country code), then 61 and the subscriber number (e.g., +31 61 2345678). Do not include the trunk prefix '0'.
Mobile Services and Portability
Numbers with the 61 prefix are used for voice calls, SMS, MMS, and mobile data services. They are assigned to various MNOs and MVNOs, including major carriers like KPN, Vodafone, and T-Mobile (now Odido), as well as smaller providers. Mobile number portability (MNP) is fully implemented in the Netherlands, meaning that a subscriber can switch operators while retaining their existing number, including those starting with 61. Therefore, the prefix does not necessarily indicate the current network provider; it only reflects the original allocation block.
Regulatory and Technical Notes
The Dutch Authority for Digital Infrastructure (RDI) manages the national numbering plan in accordance with ITU-T E.164 recommendations. The 61 prefix is part of the mobile range that spans from 61 to 69, with each prefix block further subdivided among operators. These numbers are non-geographic, and their use is not restricted to any specific area. For international callers, it is essential to use the correct international format to ensure proper routing. Additionally, when receiving calls from abroad, the caller ID may display the full international number, including the +31 country code.
For businesses and individuals, understanding the 61 prefix is crucial for accurate dialing and for recognizing that such numbers are mobile, not fixed-line. This distinction affects call costs, as mobile numbers are typically charged at higher rates than landlines in many countries. Always verify the current operator and any applicable charges with your service provider.