Bi'ur ha'Gra: [Afterwards the border goes] north of Chanason; it was in Zevulun ¹ , until Gei Yiftach Kel.

Malbim: The southern border went north of Chanason, so it was not in Zevulun.

Bi'ur ha'Gra: We must say that Zevulun's border interrupts Asher's portion and goes near Tzidon, and there it spreads out like a Yerech (thigh). Gei Yiftach Kel interrupts through Asher.