Stromberg Carlson Rotary Phones were manufactured primarily from the late 1930s onwards. They produced a variety of models, including the 1243 and 1543 desk phones. Some models, like the 1243WL were in production until the 1950s or 1960s. While rotary phones were being replaced by keypads in the 1960s and 1970s, Stromberg Carlson continued to produce them for some time. 

Item description from the seller This phone was made by Stromberg Carlson starting in the late 1930s. Step back in time with the 1930's Stromberg Carlson Model 4243WL. This Phone is more than likely Made in the late 30's to mid 40's.

***PHONE IS UNTESTED, VERY CLEAN, ONE LOOSE WIRE IN HANDSET. AGAIN NOT TESTED***

This vintage rotary dial telephone is a beautiful addition to any collection. Made by Stromberg Carlson.

In the decades after 1963, rotary dials were gradually phased out on new telephone models in favor of keypads and the primary dialing method