New flat rate prices effective January 18, 2009
Flat Rate Envelopes and Boxes Retail Commercial Base Commercial Plus
Priority Mail —
Envelope $4.95 $4.80 $4.75
Small box $4.95 $4.80 $4.75
Regular box $10.35 $9.85 $9.67
Large box $13.95 $13.50 $13.27
Large box (APO/FPO) $11.95 $11.50 $11.30
Express Mail —
Envelope $17.50 $16.63 $14.96