Calling Seychelles from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 248 - Country Code for Seychelles
• Phone Number - 7 digits, the initial digit is 4 for landlines and 6 for VoIP numbers
• US to Seychelles international dialing format: 011 248 ??? ????

How to dial to Seychelles cellular:

• dialing format for calls to a cell phone: 011 248 2?? ????

Phone Books:

• Yellow Pages
• eDirectory - by Cable and Wireless Seychelles

Updates:

• Seychelles telephone numbering changes - May 2011