economy of phoenix zip codes 85001 through 85099 85254 85310 and 85339 has a diverse large transportation wholesale trade high technology manufacturing back office insurance financial operations tourism all are drivers the government provides most employment any sector in availability economic data by city industrial is severely limited see sources section on page 12 99 used as an approximation for include new river census designated place these do not precisely follow boundaries included pieces glendale scottsdale gila indian community other unincorporated area however larger swaths excluded being part cave creek paradise valley 669 square mile land greater than combined 545 miles 475 2000 decennial count 1 293 783 residents was 3 percent less 331 785 population 321 045