SS Norway (12 times) '85 - '97; Radiance OS 06/01; Island Princess 11/04, Grand Princess 11/04/05, Golden Princess 7/21/06, Golden Princess 2/24/07, Explorer of the Seas 12/23/07, Island Princess 11/15/08
I was able to use my wireless Verizon phone in all the ports(cabo,PV, & Mazatlan) I was only calling to USA. I don't have my bill yet, so I can't comment on price. I dialed 001(I think) to get access.
Just an FYI if people want to know if there cell phones will work.
1981 American Hawaii Cruises
1989 Holland America-Rotterdam
1995 Carnival Fascination
2003 Disney Cruise-Wonder
2006 Princess Diamond
2007 Princess Crown
April 2009 Princess Sapphire
October 2009 Princess Caribbean