4 occurrences in 4 dictionaries

Reference: Ziphron

Easton

sweet odour, a city on the northern border of Palestine (Nu 34:9), south-east of Hamath.

Fausets

On the northern boundary of the promised land (Nu 34:9). Between Zedad (Sudud) and Hazar Enan (Kurietein). Hazar Hatticon is apparently substituted in Eze 47:16-17, for Ziphron.

Hastings

An unknown point on the northern frontier of Canaan (Nu 34:9 f.); perhaps the same as Sibraim of Eze 47:16.

Morish

Ziph'ron

Place on the northern boundary of Palestine. Nu 34:9. Not identified.