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947

Area Code 947

Pontiac, Michigan · United States

Geographic Eastern Since 2002

Overlay for 248. Oakland County Michigan.

Current Time in 947
3:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-5
Daylight SavingObserved
IANA ZoneAmerica/New_York
Primary city
Pontiac
State / Province
Michigan
Country
United States
Approx. users
5,401,893
947 Area Code Coverage Map
Approximate coverage area for the 947 area code in Michigan.
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Pontiac, Michigan · Area code 947
Counties Served
12 counties fully or partially covered by area code 947.
Wayne, MI1,759,935
26.1%
Oakland, MI1,274,395
18.9%
Macomb, MI881,217
13.1%
Kent, MI657,974
9.7%
Genesee, MI406,211
6%
Washtenaw, MI372,258
5.5%
Ottawa, MI296,407
4.4%
Ingham, MI284,896
4.2%
Kalamazoo, MI261,670
3.9%
Livingston, MI191,455
2.8%
Saginaw, MI190,124
2.8%
Muskegon, MI175,824
2.6%

About Area Code 947

Area code 947 is a geographic telephone area code assigned to Pontiac, Michigan. It operates in the Eastern time zone and was first introduced in 2002. Overlay for 248. Oakland County Michigan.

Within Michigan, area code 947 shares numbering capacity with 11 other area codes. The state's 10,050,511-person population (2023 Census Bureau estimate) is served by a combined 12 active codes, with 947 primarily responsible for the Pontiac region. Michigan's state capital is Lansing, and its largest city is Detroit.

When you receive a call from a 947 number on your Caller ID, the call originated from a phone number assigned to the 947 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 947 only confirms where the number was originally assigned.

Where is the 947 area code located?

Area code 947 is assigned to Pontiac, Michigan, in the Eastern time zone. The state of Michigan uses 12 active area codes, and 947 is one of them. Calls placed from the 947 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 947 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Eastern time zone observes Daylight Saving Time, shifting from UTC-5 to UTC-4 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 947 area code?

The 947 area code serves 11 notable cities, listed below in order of population. The largest city in the 947 territory is Detroit (620,376 residents in Wayne County).

  • Detroit, MI — 620,376 residents (34.8% of 947 numbers)
  • Grand Rapids, MI — 198,917 residents (11.2% of 947 numbers)
  • Warren, MI — 138,816 residents (7.8% of 947 numbers)
  • Sterling Heights, MI — 133,896 residents (7.5% of 947 numbers)
  • Ann Arbor, MI — 123,854 residents (6.9% of 947 numbers)
  • Lansing, MI — 112,744 residents (6.3% of 947 numbers)
  • Flint, MI — 79,948 residents (4.5% of 947 numbers)
  • Dearborn, MI — 109,976 residents (6.2% of 947 numbers)
  • Livonia, MI — 95,309 residents (5.3% of 947 numbers)
  • Troy, MI — 86,806 residents (4.9% of 947 numbers)

Phone number format in area code 947

All phone numbers within area code 947 follow the standard North American 10-digit format:(947) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 947 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 947 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 947

Overlay for 248. Oakland County Michigan.

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 947 area code safe to answer?

Area code 947 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 947 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.

Top 11 Cities in Area Code 947
Cities served by the 947 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 947
Detroit, MIWayne620,37634.8%
Grand Rapids, MIKent198,91711.2%
Warren, MIMacomb138,8167.8%
Sterling Heights, MIMacomb133,8967.5%
Ann Arbor, MIWashtenaw123,8546.9%
Lansing, MIIngham112,7446.3%
Flint, MIUnknown79,9484.5%
Dearborn, MIUnknown109,9766.2%
Livonia, MIUnknown95,3095.3%
Troy, MIUnknown86,8064.9%
Westland, MIUnknown81,8444.6%
Counties in Area Code 947
County-level population data from the 2022 ACS 5-year estimates. "% of 947" shows the share of 947 phone exchanges in each county.
CountyPopulation% of 947% of County
Wayne, MI1,759,93526.1%53%
Oakland, MI1,274,39518.9%41%
Macomb, MI881,21713.1%30%
Kent, MI657,9749.7%32%
Genesee, MI406,2116%96%
Washtenaw, MI372,2585.5%57%
Ottawa, MI296,4074.4%59%
Ingham, MI284,8964.2%36%
Kalamazoo, MI261,6703.9%91%
Livingston, MI191,4552.8%87%
Saginaw, MI190,1242.8%32%
Muskegon, MI175,8242.6%55%
Carrier Market Share in Area Code 947
Approximate share of assigned 947 numbers by carrier, based on FCC number-pooling data.
Cellco Partnership (Verizon Wireless)30%
Wireless
T-Mobile USA22%
Wireless
AT&T Mobility18%
Wireless
Comcast (Xfinity)8%
Cable
Frontier Communications6%
Landline
CenturyLink (Lumen)6%
Landline
Bandwidth.com (VoIP)5%
VoIP
Cox Communications3%
Cable
Spectrum (Charter)2%
Cable
Sample Prefixes in Area Code 947
A selection of 947 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
947-204PontiacCable One1997
947-218PontiacSpectrum1997
947-232PontiacCenturyLink1983
947-246FlintCenturyLink2020
947-260DearbornBandwidth.com1997
947-274PontiacSpectrum1979
947-288PontiacCenturyLink1984
947-302PontiacSpectrum2021
947-316PontiacAT&T Mobility2022
947-330Ann ArborT-Mobile USA2017
947-344PontiacVerizon Wireless1993
947-358FlintSpectrum2012
947-372Sterling HeightsSpectrum2020
947-386FlintVerizon Wireless1988
947-400PontiacCenturyLink2008
947-414PontiacT-Mobile USA2014
947-428Ann ArborCable One2002
947-442Grand RapidsT-Mobile USA1978
947-456PontiacFrontier Communications2022
947-470Grand RapidsT-Mobile USA2005
947-484PontiacBandwidth.com2007
947-498Sterling HeightsT-Mobile USA1980
947-512PontiacComcast1991
947-526PontiacT-Mobile USA2007
947-540Ann ArborCable One2018
947-554PontiacCenturyLink1985
947-568PontiacVerizon Wireless2005
947-582PontiacComcast1976
947-596PontiacVerizon Wireless2016
947-610PontiacBandwidth.com2024
947-624PontiacT-Mobile USA2009
947-638PontiacBandwidth.com2017
947-652PontiacSprint2007
947-666PontiacCenturyLink1985
947-680LansingComcast2021
947-694WarrenSpectrum1980
947-708PontiacAT&T Mobility2019
947-722PontiacCox Communications1996
947-736PontiacT-Mobile USA1980
947-750PontiacVerizon Wireless2002
947-764PontiacFrontier Communications2005
947-778PontiacBandwidth.com2020
947-792PontiacVerizon Wireless2004
947-806PontiacCenturyLink2015
947-820PontiacComcast1988
947-834PontiacSpectrum1987
947-848Grand RapidsT-Mobile USA1996
947-862DearbornVerizon Wireless1979
947-876DearbornFrontier Communications1994
947-890Ann ArborCable One2002
947-904Ann ArborCenturyLink2000
947-918PontiacAT&T Mobility1975
947-932PontiacBandwidth.com1981
947-946DearbornVerizon Wireless1992
947-960PontiacCox Communications2008
947-974FlintVerizon Wireless1978
Frequently Asked Questions about Area Code 947

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