"Secretary Blinken has offered US assistance in efforts to delimit and demarcate the border, and also called for progress in developing regional transport and communications links," the State Department website said in a statement.
Blinken also announced the readiness of the United States to contribute to the achievement of long-term peace between Armenia and Azerbaijan.
Earlier, Deputy Prime Ministers of Armenia and Azerbaijan Mher Grigoryan and Shahin Mustafayev met at the common border and discussed the work of delimitation commissions.