The Iowa Utilities Board has the following utility-related maps available:
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Incumbent Local Telephone Exchange Area Map - State Level (January 2022)
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See user guide
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Electric Service Area Boundary Map - State Level (April 2021)
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See user guide
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Natural Gas Operators Service Area Map (PDF May 2009)
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Pipeline Map - State Level (PDF March 1999)
For questions about the maps, email ITsupport@iub.iowa.gov.
To request a copy of a map not available online, call Customer Service at 515-725-7300.