Abstract: Telephone network interface apparatus including a plurality of subscriber terminals for being connected to a plurality of subscriber premises lines, a plurality of telephone terminals for being connected to a plurality of incoming telephone lines, a plurality of telephone plugs and jacks for interconnecting and providing demarcation points between the incoming telephone lines and the subscriber premises lines, and mounting means for mounting the telephone network interface apparatus to the same bracket to which a prior art terminal block has been previously mounted whereby the telephone network interface apparatus of the present invention may be substituted for the prior art terminal block and both terminate and interconnect the plurality of incoming telephone lines and subscriber premises lines previously terminated and interconnected by the prior art terminal block and provide the needed demarcation points between the incoming telephone line and the subscriber premises lines.