City Code Table Difference between GMT City code -10 HNL HONOLULU PAPEETE -09 ANC ANCHORAGE NOME -08 LAX LOS ANGELES SAN FRANCISCO, LAS VEGAS, VANCOUVER, SEATTLE, DAWSON CITY -07 DEN DENVER EL PASO, EDMONTON -06 CHI CHICAGO HOUSTON, DALLAS, NEW ORLEANS, MEXICO CITY, WINNIPEG, FORT WORTH -05 NYC NEW YORK MONTREAL, DETROIT, MIAMI, BOSTON, PANAMA CITY, HAVANA, LIMA, BOGOTA -04 CCS CARACAS LA PAZ, SANTIAGO, PORT OF SPAIN -03 RIO RIO DE JANEIRO SAO PAULO, BUENOS AIRES, BRASILIA,
