L West 1 Region
The address for the FAA West 1 Region office is as follows:
 
400A
2601 Hwy 95
Mail Drop 33B1
Bullhead City AZ 86442
 
Phone: (928) 753-4441
FAX: (928) 753-9205
 
FAA offices serving the West 1 Region are as follows:
 
411C
415C
421C
422C