Calling Russia from the United States explained:

• 011 - US exit code; dial first for international calls made from the USA or Canada
• 7 - Country Code for Russian Federation
• Phone Number - 10 digits, area code included for fixed lines
• sample call from US to a landline in Sankt Petersburg: 011 7 812 ??? ????

How to dial to Russia cellular:

• dialing format for calls to a cell phone: 011 7 9?? ??? ????

Area Codes:

Phone Books:

• SpravkaRU.net - residential phone book, some info may be outdated
• Yell.ru - Yellow Pages for main cities, in Russian
• RIN Russian Information Network - a guide to Russia, also providing people and business directories