Related Clues:
- Nos. in a directory
- Office switchboard nos
- Switchboard nos
- Business card nos
- Addl. phones
- Nos. on office phone lists
- Nos. requested by receptionists
- Tel. no. add-ons
- Business phone nos
- They're added on bus. lines
- Personal organizer nos
- Callers' links to specific depts
- Ancient Middle Eastern mounds
- Phone nos
- Tel. number add-ons