(403)-288 is the predominant area code and interchange for Calgary, AB which has an approximate population of 0 and covers the following zip codes T2L 2J8, T2P 2G5, T3A 0E2, T3A 0V2, T3A 1M3, T3A 2E1, T3A 2E2, T3A 2H4, T3A 2M9, T3A 2V1, T3A 2V9, T3B 1M2, T3B 2A6, T3B 2B9, T3B 2W1, T3B 3C1, T3B 4N1, T3B 4R6, T3B 5G1, T3B 5H1.