Who-to-call winter list

As Boston braces for a deep freeze, city officials are urging residents to sign up for cold-weather alerts. Here are some helpful phone numbers and links to follow during the cold snap, during which daily high temperatures are expected to stay below 20 degrees well into next week.

For emergency alerts, including coldweather alerts, residents are encouraged to sign up for Alert Boston on the city's website, www. boston.gov.

For questions or additional information, you can call the city's resident services hotline, 311, or visit boston.gov/ cold.

Eversource: 800592-2000, National Grid: 800-322-3223, Boston Water & Sewer Commission: 617-989-7000

Boston police, fire and EMS: 911

National Weather Service: 508-822-0634

Verizon: 800-8374966

Animal Care and Control: 617-635-5348

Cold Relief Heatline: 800-632-8175

Elderly Commission: 617-635-4366

Emergency Shelter Commission: 617-6354507

MBTA: 617-2223200

Mass. Emergency Management Agency: 508-820-1428

Mass. Road and Traffic Conditions: 617374-1234

Neighborhood Services: 617-635-3485

State Police: 617740-7600

Transit Police: 617222-1212

Veterans Services: 617-635-3957