Cities in area code 947
Area code 947 serves 20 localities in Michigan, led by Ortonville, Clarkston, Southfield. The table lists every rate center — the billing locality each prefix is anchored to — with its share of the code's 208 active prefixes.
By numbering footprint the leading localities are Ortonville, Clarkston, Southfield, Farmington, Birmingham, Pontiac, Royal Oak and Milford-white Lake, and 11 smaller communities down to single-prefix localities. Prefix counts track lines in service, so the ranking is a reasonable proxy for where the code's subscribers actually are.
Metropolitan coverage: 20 rate centers belong to FCC top-100 metro areas.
Overlap note: 20 localities are shared with other area codes, so a neighbor's number may differ in its first three digits.
Clock-wise the coverage is Eastern.
A caller's real location can differ: numbers port between carriers and follow their owners when they move. Use the prefix tables to see where a specific number block was issued.
| Locality (rate center) | Active prefixes | Metro area | All codes serving it |
|---|---|---|---|
| Ortonville | 39 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Clarkston | 33 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Southfield | 19 | Detroit-Warren-Dearborn, MI | 248, 810, 947 |
| Farmington | 17 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Birmingham | 17 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Pontiac | 14 | Detroit-Warren-Dearborn, MI | 248, 810, 947 |
| Royal Oak | 11 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Milford-white Lake | 7 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Auburn Heights | 6 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Troy | 6 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Northville | 6 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Rochester | 5 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Drayton Plains | 4 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Commerce | 4 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Holly | 4 | Detroit-Warren-Dearborn, MI | 248, 947 |
| West Bloomfield | 4 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Oxford | 3 | Detroit-Warren-Dearborn, MI | 248, 947 |
| South Lyon | 3 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Walled Lake | 3 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Lake Orion | 3 | Detroit-Warren-Dearborn, MI | 248, 947 |
FAQ
What is the biggest city in area code 947?
Ortonville holds the most active prefixes (39), making it the code's largest numbering locality.
How many places does 947 cover?
20 rate centers in Michigan hold active 947 prefixes, from Ortonville down to communities with a single prefix.
Does a 947 number guarantee the caller lives in one of these places?
No — the tables show where number blocks were issued. Porting and VoIP let people keep or acquire numbers anywhere.