The following charts detail the most common Fender serial number schemes used from 1976 to the present.
Pot codes are covered by solder on both pots and are not discernible.
Fender stamped the serial numbers for Teles on the front of the bridge through 1954, and serial numbers were not Sequentially arranged but randomly selected from the batch of bridges manufactured and stamped in 1951.
But once again, due to the modular nature of Fender's production methods, and the fact that most serial numbers schemes are not sequential and usually overlap from between 2 to 4 years, (from the early days of Fender, through to the mid 1980s), dating by the serial number is not an exact science.
The following chart details the Fender serial number schemes used from 1950 to 1964.
These books are the same resources we refer to here at Fender, when trying to research answers to these same history and dating questions.