8 walk-in offices NYC, Long Island, Syracuse Gas emergency 24/7: 1-800-892-2345

National Grid runs offices in Brooklyn, Queens, Staten Island, Nassau County, Suffolk County, and Syracuse. Most New York City and Long Island offices handle natural gas service; the Syracuse office handles electricity for upstate customers.

Two service footprints, one company

National Grid runs two separate utility businesses in New York. Which one serves you depends on where you live.

Natural gas downstate

NYC boroughs and Long Island. Sometimes called KeySpan Gas East or Brooklyn Union Gas. Offices: Brooklyn, Queens, Staten Island, Nassau and Suffolk counties.

Gas emergency 24/7: 1-800-892-2345

Electricity upstate

Central and western New York, served by the former Niagara Mohawk. Office: Syracuse.

Electric outage 24/7: 1-800-867-5222

Smell gas? Leave the area first, then call

If you smell gas or suspect a leak, leave the building immediately, do not switch any lights or electronics, and call the National Grid gas emergency line from a safe location. Walk-in offices are not for emergencies.

Gas emergency 24/7: 1-800-892-2345

Customer service phone numbers

National Grid uses different phone lines for each footprint. The main lines, all open Monday to Friday, 7 AM to 5 PM, are listed below.

National Grid customer service phone numbers by region
Region Service Phone
Long Island and the Rockaways Gas 1-800-930-5003 (tri-state)
1-631-755-6200 (outside tri-state)
Metro New York (NYC) Gas 1-718-643-4050
Upstate New York Electric and gas 1-800-642-4272
Gas emergency (all regions) 24/7 1-800-892-2345
Electric outage (upstate) 24/7 1-800-867-5222

What you can do at a walk-in office

Walk-in services are limited to billing and account management. Anything urgent has its own dedicated line.

You can

Pay your bill in cash, by check, or by money order.

Set up a new account or close one.

Ask about a payment plan or financial assistance.

Get help reading your bill.

Update your contact information.

You cannot

Report a gas leak or smell of gas: call 1-800-892-2345 from a safe location.

Report a power outage: call 1-800-867-5222.

Get same-day service turn-on: plan at least 7 days ahead.

Choose an ESCO: that is done online or by phone.

Useful National Grid links

For requests that do not need a visit, these pages cover most of what National Grid customers in New York need.

Utility profile Company overview, service map, history. All contact options Phone, email, mail, and digital channels. Pay your bill Online, phone, mail, autopay options. Understand your bill Line-by-line breakdown of charges. Rates and tariffs Current National Grid pricing details. Compare ESCOs and save Pick an alternative supplier in New York.
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