Cities in area code 248
Area code 248 serves 21 localities in Michigan, led by Pontiac, Southfield, Royal Oak. The table lists every rate center — the billing locality each prefix is anchored to — with its share of the code's 785 active prefixes.
By numbering footprint the leading localities are Pontiac, Southfield, Royal Oak, Birmingham, Troy, Northville, Farmington and West Bloomfield, and 12 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: 21 rate centers belong to FCC top-100 metro areas.
Overlap note: 21 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 |
|---|---|---|---|
| Pontiac | 150 | Detroit-Warren-Dearborn, MI | 248, 810, 947 |
| Southfield | 105 | Detroit-Warren-Dearborn, MI | 248, 810, 947 |
| Royal Oak | 84 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Birmingham | 61 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Troy | 61 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Northville | 54 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Farmington | 47 | Detroit-Warren-Dearborn, MI | 248, 947 |
| West Bloomfield | 37 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Clarkston | 25 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Rochester | 23 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Holly | 22 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Auburn Heights | 20 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Milford-white Lake | 19 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Walled Lake | 16 | Detroit-Warren-Dearborn, MI | 248, 947 |
| South Lyon | 12 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Commerce | 11 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Drayton Plains | 11 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Oxford | 9 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Ortonville | 9 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Lake Orion | 8 | Detroit-Warren-Dearborn, MI | 248, 947 |
| Detroit Zone 05 | 1 | Detroit-Warren-Dearborn, MI | 248, 313 |
FAQ
What is the biggest city in area code 248?
Pontiac holds the most active prefixes (150), making it the code's largest numbering locality.
How many places does 248 cover?
21 rate centers in Michigan hold active 248 prefixes, from Pontiac down to communities with a single prefix.
Does a 248 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.