973 area code
Newark area, Eastern Time.Area code 973 covers Newark, Morristown, Passaic and 38 more places in New Jersey, on Eastern Time. 862 covers the same area.
Right now in Newark
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 8 AM to 9 PM (the federal rule)
Small talk
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Where 973 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 973 has 41. Each one's share is how many 973 numbers start there. Its biggest metro area is New York-Newark-Jersey City, NY-NJ.
- Newark19%
- Morristown12%
- Passaic6%
- Caldwell5%
- Paterson5%
- Orange4%
- Bloomfield4%
- Whippany4%
- Madison3%
- Livingston3%
- Mountain View3%
- Boonton2%
Also: Millburn, Newton, Dover, South Orange, Rockaway, Pompton Lakes, Succasunna, Chatham, Little Falls, Nutley, Hawthorne, Belleville + 17 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 973 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 973 number to them, since you can't tell a work line from a personal cell.
What applies to 973Every day, 8 AM to 9 PM
- Federal (TCPA and FTC rule)Every day, 8 AM to 9 PMCalls to residential and mobile numbers. Most calls to businesses are exempt from the FTC's rule.47 CFR 64.1200(c)(1); 16 CFR 310.4(c) (opens in a new tab)
Local time comes from the area code, not from where the person is today. Mobiles keep their number when they move. Calling hours here are a guide, not legal advice. Every state's calling hours, with sources
973 and 862
973 went into service on June 1, 1997, split off from 201. 973 and 862 cover the same area, so new numbers can get either code and neighbors can have different area codes. 973 holds 67% of the area's exchanges; 862 holds the rest. Local calls take all 10 digits.
- 1997973 starts
- 2001862 overlay
Source: NANPA area code database
Calling a list of 973 numbers?
Paste it into the free phone number validator. It checks every number, finds each one's time zone and sorts the list by who you can call right now.
973 area code FAQ
What area code is 973?
973 is a New Jersey area code for Newark, Morristown, Passaic, Caldwell and 37 more places.
What time zone is the 973 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 862 the same as 973?
Same area, different code. 973 and 862 cover the same area (an overlay), so new numbers can get any of them and local calls take all 10 digits.
What are the calling hours for 973 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 973 area code start?
On June 1, 1997. It was split from 201.
Calling 973 numbers? Reach more of them.
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