This page lays out spatial data to reflect ESZs for Mobile Fire and Rescue. An ESZ is a 3 to 5 digit numbers used my emergency services to designate areas within their limits of jurisdiction.
The Mobile County Communications District, also known as the 9-1-1 Center, answers 9-1-1 and non-emergency calls
for citizens and guests of Mobile County consisting of a population of over 412,000 people, spanning an area of 1230
square miles, 24 hours a day, 7 days a week and 365 days a year.