The coil count varies by size:
TWIN:
Individually wrapped coils: 512
Support coils (base): 240
TOTAL: 752
TWIN XL:
Individually wrapped coils: 544
Support coils (base): 260
TOTAL: 804
FULL:
Individually wrapped coils: 704
Support coils (base): 336
TOTAL: 1,040
QUEEN:
Individually wrapped coils: 884
Support coils (base): 416
TOTAL: 1,300
KING:
Individually wrapped coils: 1,088
Support coils (base): 520
TOTAL: 1,608
CAL KING & SPLIT KING:
Individually wrapped coils: 1,088
Support coils (base): 520
TOTAL: 1,608