WHAT IS THE SPAN NUMBER LISTED ON ALL VERMONT TAX BILLS?

What is the SPAN number which is found on the property tax bill for each parcel of land in Vermont? 

SPAN stands for School Property Account Number,  a unique 11 – digit identification number assigned by a municipality to each property.  The property tax adjustment is credited to the property tax bill linked to this number.  The code of the Vermont school district in which the property is located is the middle three digits of the SPAN.