The website that is famous for NFL coverage maps has done one for NBC's coverage of the 12:30 p.m. EST games for Hockey Day in America this Sunday on NBC (the broadcast channel). You can see it here: http://www.the506.com/temp11.html
Basically, SJ-DET is the national game. STL-CHI goes to select parts of the Midwest (Blues, Hawks and Wild markets) and Pens territory and onward Northeast get PIT-BUF.
San Jose-Detroit: Ken Daniels, Darren Pang
Pittsburgh-Buffalo: Gord Miller, Ray Ferraro
St. Louis-Chicago: Dave Strader, Brian Engblom
If the game you want is not on in your area, you can view a free stream on NBC's website: http://nbcsports.msnbc.com/id/45340521
The 3:30 p.m. game on NBC, BOS-MIN, is nationwide and has the regular A crew of Mike Emrick, Eddie Olczyk and Pierre McGuire.
The 6 p.m. game, NJ-MTL, is on NBC Sports, the cable sports channel. John Forslund and Andy Brickley are slated to call that one.