Singapore Post New Postage Rates 2025. In a bourse filing, singpost said rates for international airmail letters, printed papers, aerogrammes and postcards will be increased by $0.05 for zones 1, 2 and 3. Please refer to mail sizes and conditions guide for more information.

Has increased its rates for standard regular mail to 51 cents, 20 cents higher than the current rate of 31 cents. Unable to obtain rates from web service or postage calculator service.