American Samoa Phone Numbers: Format, Area Code & Validation Guide - phone-number-standards -

Frequently Asked Questions

The country code for American Samoa is +1, the same as the United States and other North American territories. When calling American Samoa from another country, you'll need to dial +1 followed by the area code and subscriber number.
Dial 1, followed by the area code 684, and then the 7-digit subscriber number. This format applies whether calling from a landline or mobile phone within the US or its territories.
To dial an American Samoa phone number internationally, use the format +1 684 XXX XXXX. Start with the plus sign (+), followed by the country code (1), area code (684), and the 7-digit subscriber number.
American Samoa uses the area code 684 for all phone numbers, including landlines, mobiles, and other number types. This area code is essential for routing calls correctly within the North American Numbering Plan (NANP).
Use the regular expression ^\+1 684 [2-9]\d{2} \d{4}$ to validate general, landline, and mobile numbers. For toll-free numbers, use ^800 \d{3} \d{4}$, and for premium-rate numbers, use ^900 \d{3} \d{4}$. These regex patterns ensure accurate phone number formatting.
Mobile numbers in American Samoa follow the format +1 684 7XX XXXX. The first digit of the 7-digit subscriber number will always be 7, making it easy to distinguish from landlines.
American Samoa is a US territory and participates in the North American Numbering Plan (NANP), which shares the country code +1. This integration simplifies calling between American Samoa and other NANP countries.
The primary operators are American Samoa Telecommunications Authority (ASTCA) and Bluesky Communications. ASTCA handles both mobile and landline services, while Bluesky primarily offers mobile services.
No, mobile number portability (MNP) is not currently available in American Samoa. You cannot keep your existing mobile number if you switch service providers.
The international prefix for outgoing calls from American Samoa is 011. Dial 011 before the country code, area code, and subscriber number when making an international call.
The Federal Communications Commission (FCC), in conjunction with local authorities, regulates the telecommunications sector. The FCC oversees numbering resources under the NANP and maintains standards.
American Samoa adheres to the ITU-T E.164 standard, which defines the international numbering plan for global telecommunications compatibility and ensures standardized dialing procedures.
Number allocation is managed under the guidelines of the North American Numbering Plan Administrator (NANPA) and overseen by the FCC to ensure efficient resource utilization and compliance with NANP standards.
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