| Circular Number | Circular Title | Summary | State(s) |
| LI-BP-2026-029 | BUSINESSOWNERS ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for Businessowners through October 2025 for the listed jurisdictions. | MA, MN, OH, PA, WI |
| LI-CA-2026-063 | COMMERCIAL AUTO ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for Commercial Auto through October 2025 for the listed jurisdictions. | CA, GA, MD, MN, NY, OH, PA, UT, WI |
| LI-CF-2026-116 | COMMERCIAL PROPERTY MULTISTATE REVISION OF THE SPECIFIC COMMERCIAL PROPERTY EVALUATION SCHEDULE (SCOPES), RULES AND RELATED CLASSIFICATION CHANGES, AND LOSS COSTS REVISIONS TO ACCOMPANY SCOPES REVISION; INFORMATION PROVIDED | ISO provides information regarding the commercial property multistate revision of the SCOPES, rules and related classifications, and loss costs. | All except Florida and Puerto Rico |
| LI-CF-2026-117 | COMMERCIAL PROPERTY ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for Commercial Property through October 2025 for the listed jurisdictions. | For earthquake ZIP codes: NY, UT For basic group II ZIP codes: MD, MA, NY |
| LI-DP-2026-019 | DWELLING ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for Dwelling through October 2025 for the listed jurisdictions. | GA, MA, MN, OH, PA, UT, WI |
| LI-GL-2026-053 | GENERAL LIABILITY ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for General Liability through October 2025 for the listed jurisdictions. | GA, MA, MN, OH, PA, WI |
| LI-MT-2026-019 | MOTORCYCLE ANNUAL ZIP CODE TERRITORY UPDATE PROVIDED | ISO provides a quarterly update of ZIP code changes for Motorcycle through October 2025 for the listed jurisdictions. | MN, OH, UT |

