Area Code 3 – Apia

Overview of Samoa's +685 3 Geographic Prefix

The country calling code +685 is assigned to the Independent State of Samoa under the ITU-T E.164 international numbering plan. Within Samoa's national numbering plan, the prefix '3' is designated as a geographic area code for the capital district of Apia and its immediate surrounding areas on the island of Upolu. This prefix is used for fixed-line PSTN services, including traditional copper lines and, increasingly, fixed wireless and VoIP-based local access services that are registered to a physical address within the Apia exchange area.

Samoa's numbering plan follows a closed dialing format for local calls: the full national significant number (NSN) consists of five digits after the country code, with the area code '3' being the first digit. Therefore, a local number in Apia is structured as 3XXXX, where XXXX represents the subscriber's unique line number. When dialing from within Samoa, callers must include the area code even for on-island calls, as there are no local dialing prefixes or trunk codes. For example, to call a fixed line in Apia from another part of Samoa, you would dial 3XXXX directly.

International Dialing Format

For callers outside Samoa, the international format requires the full country code and national significant number, without any leading trunk prefix. The correct international dialing sequence is: +685 3XXXX. For instance, a typical Apia fixed-line number would be dialed as +685 31234 from any international location. When storing such numbers in contact lists or databases, it is recommended to use the plus sign notation to ensure compatibility across various networks and VoIP platforms.

Geographic Coverage and Administrative Significance

The '3' prefix is primarily associated with the Apia Urban Area, which serves as the commercial and governmental heart of Samoa. This includes key administrative districts such as the Central Business District, the government precinct around the Parliament building, and major institutions like the Central Bank of Samoa and the National Hospital. The coverage extends to residential suburbs within the greater Apia area, including Vaitele, Motootua, and Tanugamanono. Because Apia is the primary economic hub, the '3' prefix is often used by businesses, government offices, and international organizations operating in Samoa.

Overlay and Numbering Considerations

Samoa's numbering plan is relatively small, and the '3' prefix does not currently have an overlay code. However, as the demand for fixed-line services evolves, the Telecommunications Regulator of Samoa may introduce additional geographic codes or reallocate unused number blocks. For VoIP users, the '3' prefix is still considered geographic, meaning that emergency services and caller location identification are based on the registered address of the service. When calling from abroad, it is important to note that some international carriers may route calls to +685 3XXXX as a standard geographic call, and charges will apply according to the destination country's rate.