Mobile Phone Number Format for Registration

Verified from official sources
Version 1Effective -Verified 25 August 2026

In plain language

When registering, enter your mobile number starting with the country code (for example, +385) followed by your mobile number. Do not include a leading zero after the country code, and ensure the total length is between 9 and 15 digits.

Requirement as structured

When registering on the Croatia Control AMC Portal, the mobile phone number must be entered in the format of the country code followed by the mobile number with prefix, without a zero after the country code, and must be between 9 and 15 digits in total.

Original regulatory text

Enter the mobile phone number in the format country code + mobile number with prefix (eg +385991234567). A zero is not allowed after the country code. The total allowed amount of integers from 9 to 15digits.