How do I dial inside/outside of the district? October 02, 2019 22:12 Updated Follow To dial an outside local number, press 9+10 digit number (all 10 digits are required) To dial an outside long distance number, press 9 +1+ 10 digit number (1 + 10 digits are required). To dial an internal number, enter the 4 digit extension. Related articles How can I find someone's extension? How do I find the MAC address of my Cisco desk phone? What if the name is incorrect on my phone or voicemail? Common Display Issues/Multiple Monitors How do I use conference calling? Comments 0 comments Article is closed for comments.