336 area code
Greensboro area, Eastern Time.Area code 336 covers Greensboro, Winston-Salem, High Point and 85 more places in North Carolina, on Eastern Time. 743 covers the same area.
Right now in Greensboro
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 336 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 336 has 88. Each one's share is how many 336 numbers start there. Its biggest metro area is Greensboro-High Point, NC.
- Greensboro24%
- Winston-Salem19%
- High Point7%
- Burlington7%
- Lexington4%
- Asheboro4%
- Reidsville3%
Also: North Wilkesboro, Roxboro, Mount Airy, Elkin, Kernersville, Thomasville, Summerfield, Eden, Julian, Madison, Gibsonville, Brooks + 69 more
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 336 number?
Sales calls to homes and cell phones have legal hours, set by the federal rule. Hold every 336 number to them, since you can't tell a work line from a personal cell.
What applies to 336Every 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
336 and 743
336 went into service on December 15, 1997, split off from 910. 336 and 743 cover the same area, so new numbers can get either code and neighbors can have different area codes. 336 holds 83% of the area's exchanges; 743 holds the rest. Local calls take all 10 digits.
- 1997336 starts
- 2016743 overlay
Source: NANPA area code database
Calling a list of 336 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.
336 area code FAQ
What area code is 336?
336 is a North Carolina area code for Greensboro, Winston-Salem, High Point, Burlington and 84 more places.
What time zone is the 336 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 743 the same as 336?
Same area, different code. 336 and 743 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 336 numbers?
Every day, 8 AM to 9 PM, local time, under the federal rule.
When did the 336 area code start?
On December 15, 1997. It was split from 910.
Calling 336 numbers? Reach more of them.
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