248 area code
Pontiac area, Eastern Time.Area code 248 covers Pontiac, Southfield, Royal Oak and 17 more places in Michigan, on Eastern Time. 947 covers the same area.
Right now in Pontiac
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer)
Calling hours: Every day, 9 AM to 9 PM (Michigan law)
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Where 248 numbers come from
Numbers are issued by rate center, a billing area named for its main town. 248 has 20. Each one's share is how many 248 numbers start there. Its biggest metro area is Detroit-Warren-Dearborn, MI.
- Pontiac19%
- Southfield13%
- Royal Oak11%
- Birmingham8%
- Troy8%
- Northville7%
- Farmington6%
- West Bloomfield5%
- Clarkston3%
- Rochester3%
- Holly3%
- Auburn Heights3%
Also: Milford-White Lake, Walled Lake, South Lyon, Commerce, Drayton Plains, Ortonville, Oxford, Lake Orion
Share of exchanges (blocks of 10,000 numbers). Source: NANPA rate center and exchange reports, November 10, 2026
When can you call a 248 number?
Sales calls to homes and cell phones have legal hours, set by Michigan law. Hold every 248 number to them, since you can't tell a work line from a personal cell.
What applies to 248Every day, 9 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)
- Michigan lawEvery day, 9 AM to 9 PMIn a harassment statute that needs intent to annoy.MCL 750.540e(1)(f) (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
248 and 947
248 went into service on May 10, 1997, split off from 810. 248 and 947 cover the same area, so new numbers can get either code and neighbors can have different area codes. 248 holds 79% of the area's exchanges; 947 holds the rest. Local calls take all 10 digits.
- 1997248 starts
- 2002947 overlay
Source: NANPA area code database
Calling a list of 248 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.
248 area code FAQ
What area code is 248?
248 is a Michigan area code for Pontiac, Southfield, Royal Oak, Birmingham and 16 more places.
What time zone is the 248 area code in?
Eastern Time (EST, UTC-5; EDT, UTC-4 in summer).
Is 947 the same as 248?
Same area, different code. 248 and 947 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 248 numbers?
Every day, 9 AM to 9 PM, local time, under Michigan law.
When did the 248 area code start?
On May 10, 1997. It was split from 810.
Calling 248 numbers? Reach more of them.
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