Armfield made a club-record 627 appearances for the Seasiders during a playing career that spanned 17 years, while also representing the Three Lions 43 times - 15 of those as skipper.
Blackpool confirmed on Monday morning that Armfield has passed away following a long battle with cancer, leading to numerous tributes on social media.
Ex-England striker Gary Lineker said: "Saddened to hear that Jimmy Armfield has passed away. A wonderful footballer and England captain who went on to be a terrific broadcaster of the game he loved, and, most importantly, he was a delightful man. He'll be much missed."
Alan Shearer tweeted: "You couldn't wish to meet a warmer, more engaging man than Jimmy Armfield. A proper football man and a gentleman."
One-club defender Armfield was part of England's 1966 World Cup-winning squad, but was an unused reserve in the final against West Germany.