Utility overview
- Legal name
- Intermountain Gas Company
- Parent organization
- Not listed
- Ownership type
- Investor-Owned
- Utility class
- Major Regulated
Official website and contact
- Official website: Visit official website (opens in a new tab)
- Customer service: 800-548-3679
- Gas emergency: Not listed
- Email: Not listed
- Address: Not listed
Published state services
Idaho — ID
Service area: Southern Idaho natural gas distribution.
Rate jurisdiction: Idaho Public Utilities Commission
Customer classes: Commercial, Residential
Last confirmed: Aug 26, 2026
- State customer URL: Open link (opens in a new tab)
- Tariff or territory source: Open link (opens in a new tab)
Utility identity sources
- Intermountain Gas — IPUC Gas Tariff (eff. Jan 1, 2026) (opens in a new tab)
Tariff · Intermountain Gas
- Rates and Tariffs / Intermountain Gas (opens in a new tab)
Official Utility Website · Intermountain Gas
State-service sources
Idaho — ID
- Idaho PUC — Rate Schedule Classifications (opens in a new tab)
State Regulator Inventory · Idaho PUC
Verified utility identity
Verified means GCC confirmed utility identity, retail gas-distribution status, and state-service evidence against authoritative sources.
Confirmation status
- Last confirmed
- Aug 26, 2026
- Reconfirmation status
- Current
Directory-information notice
GCC provides directory information only. Listings are not legal advice, regulatory advice, endorsements, or guarantees of utility service eligibility.
Service-area summaries are high-level and do not guarantee service at a specific address. Contact the listed utility directly for address-level eligibility.