
Nauru's telephone system is relatively small, with a limited number of phone lines available.
The country's telephone system is maintained by the Nauru Telecommunications Corporation, which is responsible for providing phone services to residents and visitors alike.
Nauru's country code is +674, which is used for all international calls made to and from the country.
Phone numbers in Nauru typically consist of 8 digits, with a 4-digit area code followed by a 4-digit subscriber number.
With a relatively small population, phone numbers in Nauru are not as complex as those found in larger countries.
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Number Format
Nauru uses a streamlined 7-digit numbering system, making it relatively simple to work with.
The country code for Nauru is +674, which is the code you'll need to dial when calling from outside the country.
For land-line phones, the first three digits signify that it's a fixed line, starting with either '444' or '888'.
Mobile numbers begin with '55', making it easy to tell the difference.
For another approach, see: Mobile Dial Code
To call from outside Nauru, dial the exit code of the country you're calling from, followed by Nauru's country code, and then the local phone number.
The entire seven-digit phone number needs to be dialed for all calls within Nauru.
Here's a breakdown of the phone number format:
Telephone Numbers in Nauru
In Nauru, phone numbers have a unique format. The country code for Nauru is +674.
To dial a phone number in Nauru, you'll need to know the number range. Mobile phone numbers in Nauru start with 556, 557, or 558, followed by any four digits (e.g., 5561234).
If you're calling a mobile phone number from within Nauru, you'll need to dial the entire seven-digit number. For example, to call 5573133, you'll dial 5573133.
Here are some important phone numbers to know in Nauru:
Landlines are not in service in Nauru, so you won't see any landline numbers.
Calling Within
Calling within Nauru is a straightforward process. You can dial the entire seven-digit phone number to reach any number within the country.
To make a domestic call, you don't need to use a trunk prefix. Nauru's phone system doesn't require it.
You can dial the entire seven-digit phone number, including the mobile phone number designation, to reach any number within Nauru.
Here's a breakdown of a Nauru phone number:
For example, the Government of the Republic of Nauru lists its phone number in Yaren as +674 557 3133.
Numbering Plan Details
Nauru's closed numbering plan makes it easy to understand and work with their telephone numbers. The country code is +674, which you should always use for international dialing.
The number length is a fixed 7 digits, which simplifies validation and makes it easier to process phone numbers. This consistency is a big help for developers.
The format of Nauru's phone numbers is XXX XXXX, which is a clear and easy-to-read format. This visual grouping makes it simpler for users to input phone numbers.
Here's a breakdown of the available phone number ranges in Nauru: RangeDescription556xxxxMobile phone numbers557xxxxMobile phone numbers558xxxxMobile phone numbers Note that there are no landline phone numbers in use in Nauru.
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Implementation and Communications

Implementing Nauru phone number handling requires careful consideration of several key factors. Always validate full number length to ensure it's 7 digits, and verify the prefix matches the intended service type.
To handle international format, be prepared to work with numbers that include and exclude the country code. Consistent storage is also crucial, so store numbers in E.164 format (+674XXXXXXX) for easy internationalization.
Pre-validation cleaning is essential to remove spaces and formatting before validation. This will help prevent errors and ensure accurate results. I've seen firsthand how a well-crafted validation process can save developers a lot of headaches down the line.
To maintain prefix mapping, keep an up-to-date list of prefixes and their corresponding service types. This will help you identify potential issues and improve your validation logic over time. Consider logging validation failures to track patterns and make data-driven decisions.
Here's a breakdown of the coverage in Nauru's telecommunications landscape:
Error handling is also crucial, especially when dealing with variable coverage and network transitions. Consider implementing robust error handling mechanisms to ensure a smooth user experience. Average voice service availability in Nauru is 99.5%, with a network reliability target of 98% uptime.
Important Numbers and Information
In Nauru, the country code is 674, which you'll need to dial when making international calls.
The Government of the Republic of Nauru lists its phone number in Yaren as +674 557 3133, which is a good example of a phone number to keep handy.
To make calls within Nauru, dial the entire seven-digit phone number.
Here are some important numbers to know in Nauru:
In Nauru, phone numbers are typically seven digits long, with the first three digits (674) being the country code.
Frequently Asked Questions
Which country code is +1 674?
The country code +1 674 is for Nauru. This Pacific island nation is located northeast of Australia.
Does Nauru have internet?
Yes, Nauru has internet access, with services provided by CenPacNet and Digicel Nauru.
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