We have a new local exchange to our area and now some local calls are posting as long-distance calls.  Calls are charging to the rooms.  The number dialed is only 10-digits so why are local calls posting?

We have the Ezadvantage Call-A-Matic.  Black box with green keys.

10 digit local and long-distance dialing setup.

Start with looking up the local numbers in your area.  This web site will help you. http://www.localcallingguide.com/lca_prefix.php

Print out this list, date it and keep as a record of the changes.  After you have the list of area code and prefixes
Locate the Ezadvantage call accounting unit.  Black with Green buttons.
Press “*” and “ENTER” the message “Enter Password:” is displayed.  Enter “12345”
Once a valid password is entered, the message “Enter Program No.:” is displayed.
Enter “115” (local/local long distance dialing patterns)
When the 10-digit local calling is selected, the View-Add-Delete-Search menu pops up and the “total number of entries” currently is memory are displayed.
Select the “Add” option and after the second line of the display is cleared, the “Add :” prompt is displayed.  Now, enter the Area Code and Pre Fix and the system will except the entry and proceed to the next step.  
While Adding the entries, since one area code will have many local calling exchanges, the area code is automatically prompted, to reduce the total number of digits that are required to be entered.  For example, if the first entry is 706882, as soon as you enter the 6th digit, the entry will be accepted if it does not already exist, the entry will scroll to the right and the area code will be retained after the “Add :” prompt.  
Press “EXIT” to exit.