- Area Code 900 - California, Compton US
- Area Code 901 - Alberta, Strathmore United States
- Area Code 902 - Alberta, Edmonton United States
- Area Code 903 - Alberta, Edmonton United States
- Area Code 904 - Alberta, Edmonton United States
- Area Code 905 - Alberta, Edmonton United States
- Area Code 906 - Alberta, Edmonton United States
- Area Code 907 - Alberta, Edmonton United States
- Area Code 908 - Alberta, Edmonton United States
- Area Code 909 - Alberta, Edmonton United States
- Area Code 910 - Alberta, Edmonton United States
- Area Code 911 - Iowa, West Union US
- Area Code 912 - Alberta, Airdrie United States
- Area Code 913 - Alberta, Edmonton United States
- Area Code 914 - Alberta, Edmonton United States
- Area Code 915 - Alberta, Edmonton United States
- Area Code 916 - Alberta, Edmonton United States
- Area Code 917 - Alberta, Edmonton United States
- Area Code 918 - Alberta, Edmonton United States
- Area Code 919 - Alberta, Edmonton United States
- Area Code 920 - Alberta, Calgary United States
- Area Code 921 - Alberta, Calgary United States
- Area Code 922 - Alberta, Calgary United States
- Area Code 923 - Alberta, Calgary United States
- Area Code 924 - Alberta, Alberta Beach United States
- Area Code 925 - Alberta, Donnelly United States
- Area Code 926 - Alberta, High Level United States
- Area Code 927 - Alberta, Calgary United States
- Area Code 928 - Alberta, Medicine Hat United States
- Area Code 929 - Alberta, Beaumont United States
- Area Code 930 - Alberta, Edmonton United States
- Area Code 931 - Alberta, Calgary United States
- Area Code 932 - Alberta, Cochrane United States
- Area Code 933 - Alberta, Turner Valley United States
- Area Code 934 - Alberta, Strathmore United States
- Area Code 935 - Alberta, Irricana United States
- Area Code 936 - Alberta, Langdon United States
- Area Code 937 - Alberta, Walsh United States
- Area Code 938 - Alberta, Okotoks United States
- Area Code 939 - Alberta, Okotoks United States
- Area Code 940 - Alberta, Edmonton United States
- Area Code 941 - Alberta, New Sarepta United States
- Area Code 942 - Alberta, Redwater United States
- Area Code 943 - Alberta, Calgary United States
- Area Code 944 - Alberta, Calgary United States
- Area Code 945 - Alberta, Airdrie United States
- Area Code 946 - Alberta, Crossfield United States
- Area Code 947 - Alberta, Beiseker United States
- Area Code 948 - Alberta, Airdrie United States
- Area Code 949 - Alberta, Bragg Creek United States
- Area Code 950 - Montana, Glendive US
- Area Code 951 - Alberta, Edmonton United States
- Area Code 952 - Alberta, Medicine Hat United States
- Area Code 953 - Alberta, Edmonton United States
- Area Code 954 - Alberta, Jarvie United States
- Area Code 955 - Alberta, Calgary United States
- Area Code 956 - Alberta, Rainbow Lake United States
- Area Code 957 - Alberta, Debolt United States
- Area Code 958 - Florida, Fort Lauderdale US
- Area Code 959 - Hawaii, Hilo US
- Area Code 960 - Alberta, Spruce Grove United States
- Area Code 961 - Alberta, Legal United States
- Area Code 962 - Alberta, Spruce Grove United States
- Area Code 963 - Alberta, Stony Plain United States
- Area Code 964 - Alberta, Rolling Hills United States
- Area Code 965 - Alberta, Brocket United States
- Area Code 966 - Alberta, Edmonton United States
- Area Code 967 - Alberta, Onoway United States
- Area Code 968 - Alberta, Calgary United States
- Area Code 969 - Alberta, Calgary United States
- Area Code 970 - Alberta, Edmonton United States
- Area Code 971 - Alberta, Dixonville United States
- Area Code 972 - Alberta, Acadia Valley United States
- Area Code 973 - Alberta, Namao United States
- Area Code 974 - Alberta, Calgary United States
- Area Code 975 - Alberta, Edmonton United States
- Area Code 976 - District of Columbia, Washington US
- Area Code 977 - Alberta, Medicine Hat United States
- Area Code 978 - Alberta, Grande Prairie United States
- Area Code 979 - Alberta, Medicine Hat United States
- Area Code 980 - Alberta, Leduc United States
- Area Code 981 - Alberta, Keg River United States
- Area Code 982 - Alberta, Edmonton United States
- Area Code 983 - Alberta, Edmonton United States
- Area Code 984 - Alberta, Edmonton United States
- Area Code 985 - Alberta, Calmar United States
- Area Code 986 - Alberta, Leduc United States
- Area Code 987 - Alberta, Calgary United States
- Area Code 988 - Alberta, Calgary United States
- Area Code 989 - Alberta, Sunchild Ochiese United States
- Area Code 990 - Alberta, Calgary United States
- Area Code 991 - Alberta, Edmonton United States
- Area Code 992 - Alberta, Fort Saskatchewan United States
- Area Code 993 - Alberta, Edmonton United States
- Area Code 994 - Alberta, Olds United States
- Area Code 995 - Alberta, Okotoks United States
- Area Code 996 - Alberta, Banff United States
- Area Code 997 - Alberta, Calgary United States
- Area Code 998 - Alberta, Calgary United States
- Area Code 999 - Alberta, Calgary United States