AIS Regions listing states and provinces as of 2026

• AIS Region 1 Maine, New Hampshire, Vermont, Massachusetts, Connecticut, Rhode Island, Newfoundland/Labrador, Nova Scotia, New Brunswick and Prince Edward Island
• AIS Region 2 New York, Ontario, Quebec
• AIS Region 3 (no website) Pennsylvania, New Jersey, and Delaware
• AIS Region 4 Maryland, North Carolina, Virginia, West Virginia and District of Columbia
• AIS Region 5 (no website) South Carolina, Georgia, Florida and Puerto Rico
• AIS Region 6 Michigan, Indiana, and Ohio.
• AIS Region 7 Tennessee, Kentucky, Alabama and Mississippi
• AIS Region 8 Minnesota and Wisconsin
• AIS Region 9 Illinois
• AIS Region 10 (GNOIS website) Louisiana
• AIS Region 11 (no website) Idaho, Montana and Wyoming
• AIS Region 12 (no website) Utah
• AIS Region 13 Washington, Oregon and Alaska, British Columbia, and Yukon
• AIS Region 14 Northern California, Nevada and Hawaii
• AIS Region 15 Southern California and Arizona
• AIS Region 16 Discontinued after November 2010, apportioned to Regions 1, 2, 13, and 21 (was Canada)
• AIS Region 17 Texas
• AIS Region 18 Kansas and Missouri
• AIS Region 19 Discontinued after November 2010, added to Region 3 (was New Jersey)
• AIS Region 20 (no website) Colorado
• AIS Region 21 Iowa, Nebraska, South Dakota, North Dakota, NWT, Nunavut, Alberta, Saskatchewan and Manitoba
• AIS Region 22 Arkansas and Oklahoma
• AIS Region 23 New Mexico
• AIS Region 24 Discontinued after November 2025, added to Region 7 (was Alabama and Mississippi)