Guitar serial number dating fender
For starters, there's the Reverb Price Guide which has thousands of entries with pictures and details on various guitars and other gear.
Some browsing around the Fender section of the Price Guide can definitely help you find which model you have.
I will also mention briefly pot-codes as a resource (numbers on the internal potentiometers of the guitar).
Click on the links here to jump directly to the serial number style that matches your instrument: In the early years, Fender serial numbers schemes were specific to the model.
Esquires, Broadcasters and Telecasters shared a serial number sequence, while the landmark Precision Bass had its own system.
These can definitely be useful in cases where no other numbers exist, but just tell when the pot itself was made.
Who knows how long it was waiting in the Fender factory before finding its way into a Tele?