I found the website below sorta on accident. It’s useful information though. I haven’t verified that every bulb listed is the correct one.
http://www.lightsfor.com/chevrolet-silverado-2000-2011-light-bulb-size/
Low Beam Headlight Bulb Size: 9006 or 9006 HID Upgrade Kit
High Beam Headlamp Light Bulb Size: 9005 or 9005 HID Upgrade Kit
Parking Light Bulb Size: 3157A
Front Turn Signal Light Bulb Size: 3157A
Rear Turn Signal Light Bulb Size: 1157 or 3157LL
Tail Light Bulb Size: 1157 or 3157LL
Stop Light Bulb Size: 1157 or 3157LL
High Mount Stop Light Bulb Size: 921
Fog/Driving Light Bulb Size: 880
License Plate Light Bulb Size: 194 or 67/97
Back Up Light Bulb Size: 1156 or 1156 or 3156
Front Side Marker Light Bulb Size: 3157A
Rear Sidemarker Light Bulb Size: PC195
Ash Tray Light Bulb Size: 194
Glove Box Light Bulb Size: 194
Map Light Bulb Size: 168 or 211-2
Dome Light Bulb Size: 211-2
Step/Courtesy Light Bulb Size: 1003 or 211-2 or 74
Trunk/Cargo Area Light Bulb Size: 912
Under Hood Light Bulb Size: 89 or 93
Instrument-General Light Bulb Size: 161 or 194 or 74
Check Engine Indicator Light Bulb Size: 74
Hi-Beam Indicator Light Bulb Size: 74
Seat Belt Indicator Light Bulb Size: 74
Brake Warning Light Bulb Size: 74
Automatic Transmission Indicator Light Bulb Size: 161
Directional Signal Indicator Light Bulb Size: 74
Daytime Running Light Bulb Size: 4114LL