POP (point of presence)
1. Since divestiture, the physical access location within a local access and transportation area (LATA) of a long-distance and/or interLATA common carrier.
2. The point to which the local telephone company terminates subscribers’ circuits for long-distance, dial-up, or leased-line communications.
3. An Internet provider’s node that allows subscribers to dial in using modems and voice lines.