Pulling the diagnostic codes can be achieved through
these steps, which have been posted numerous times on this forum.
As for offering suggestions on what the problem may be is going to require further troubleshooting on your part. You'll need to determine what is missing, fuel, air, compression or spark. Assuming the car was running find recently and not making funny noises and there is oil in the crankcase, you can probably skip testing for compression at this point.
The fuel pump is located in the fuel tank. There is an inertia fuel pump shutoff switch located in the trunk, probably on the driver's side. To be sure on the location, you should check your owner's manual.
Were there any symptoms leading up to this no-start condition such as rough idle, lack of power, long cranking times, random stalling, etc? Have you tried starting the car after it has fully cooled down to make sure it's not an issue only when the engine is hot? Did you drive it home one day then it wouldn't start in the morning, or did you drive it to the store and when you came out several minutes later you couldn't get it to start?
-Rod