Washington Gas Customer Service Number

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For Home Owners and Business Owners to get in touch with the authorities at Washington Gas may refer to given customer service phone numbers and email addresses to communicate relevant concerns and queries in an expedited manner.
  • Washington Gas Automated Self-Service Line: 703-750-7944
  • Gas Emergency Line: 844-927-4427, Select Option 1
  • Washington Gas Customer Service and Billing Phone Number: 844-927-4427
  • For Consumers in Shenandoah Valley, VA.: 540- 869-1111 | (800) 566-7436
  • To opt out of Check Conversion Program: 1-888-862-4422 then select option 1
  • Washington Gas Customer Service Email: customersupport@washgas.com
  • Telecommunications Relay Service/TTYTTD: 711 or 800-735-2258
  • Automatic Name Change Program: 703-750-4441
  • Gas Theft Hotline: 703-750-4570


Washington Gas Damage Prevention / Call Before You Dig Helpline


  • Washington Gas Damage Prevention Hotline: 800-428-5364
  • Washington, D.C.: Miss Utility 811 or 202-265-7177
  • Maryland: Miss Utility 811 or 800-257-7777 | Virginia: Va811 811 or 800-552-7001


Washington Gas Customer Service Number for Home Owners


  • Automated Self-Service Line: 703-750-7944
  • Customer Service and Billing: 844-927-4427
  • Global Express Payment Locations: 1-800-989-6669
  • Shenandoah Valley, VA.: 540- 869-1111 or (800) 566-7436
  • Converting to Natural Gas: 703-941-4328
  • Rebates: rmoffatt@washgas.com

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Washington Gas Customer Service Number for Business Owners


  • Automated Self-Service Line: 703-750-7944
  • Customer Service and Billing: 844-927-4427
  • Global Express Payment Locations: 1-800-989-6669
  • Shenandoah Valley, VA.: 540- 869-1111 or (800) 566-7436
  • Interruptible Hotline: 703-750-4773
  • Large Industrial Commercial Properties/Combined Heat and Power: mukanowicz@washgas.com
  • Commercial Properties (1.5 MBTUs or less): 703-941-4328
  • Commercial Properties (More than 1.5MBTUs): dshults@washgas.com
  • Commercial Equipment and Rebates: jmcclelland@washgas.com
  • Energy Efficiency and Rebate Programs: sskulley@washgas.com