My First AE Telephone!

[HarrySmith]

The connector boxes are sold online , eBay, Amazon and electronic or phone supply stores.

[TelePlay]

. . . is there a place that sells replacement connector boxes?

Which or what type of "connector box?"

Here is a link to a most often used modern adapter seller but this may not be what you are looking for.

They are $16 for 5 with free shipping, reasonable for a small quantity - $3.20 each.


https://www.ebay.com/itm/112007938868

[HarrySmith]

That's what I use. Sorry for the misnomer. proper term connecting block

[Westrex]

I think I will go with the 4-prong plug (for historical reasons) and the RJ-11 pig tail adapter.

[MMikeJBenN27]

They used to make a cover for the connecting block that converted it to a 4 prong jack.  I would try to find one of them on E-Bay, and, if your connecting block is not the 42A type used by the phone companies, get one of those as well.

Mike

[oldguy]

I also use the ones TelePlay recommended.