Calling Bermuda from the United States explained:

• 1 - Country Code for Bermuda
• 441 - area code within the NANP
• local phone number - 7 digits
• US to Bermuda international dialing format: 1 441 ??? ????
• this country is part of the North American Numbering Plan - NANP (calling it works like a US state to state call)

How to dial to Bermuda cellular:

• dialing format for calls to a cell phone: 1 441 X?? ????
• X can be 3, 5 or 7
• the first 3 digits for mobile numbers starting with 5 are in the 500-539 range

Phone Books:

• Bermuda Yellow Pages - also features Island guides and other info