248 area code — Pontiac, MI geographic
If a call shows area code 248, the number was issued in the Pontiac area — a code active since 1997, on Eastern time. It is part of the 248/947 overlay complex — these codes share the same territory. Note that porting and VoIP mean a 248 number can be used from anywhere — the code marks where the number was assigned.
785 central-office prefixes are currently active in this code, spread across 28 code-holding carriers. Thousands-block pooling applies to 473 prefixes, so a single prefix can belong to several carriers. Its prefixes map to 21 distinct rate centers.
NANPA projects numbering capacity for the 248/947 complex to exhaust in 4Q 2065.
248 was created from 810 in 1997. It has since spawned 947 (2002).
Dialing: 10D locally, 10D to other codes.
If a 248 call asks for money or personal data, treat the displayed number as unverified: hang up and reach the organization through its published number. Numbering data locates numbers, not callers.
Largest localities in 248
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Pontiac | 150 | 810, 947 |
| Southfield | 105 | 810, 947 |
| Royal Oak | 84 | 947 |
| Birmingham | 61 | 947 |
| Troy | 61 | 947 |
| Northville | 54 | 947 |
| Farmington | 47 | 947 |
| West Bloomfield | 37 | 947 |
| Clarkston | 25 | 947 |
| Rochester | 23 | 947 |
FAQ
Why am I getting spam calls from 248 numbers?
Scammers spoof recognizable area codes so calls look local or familiar. A displayed 248 number does not prove the call originated there — see our guide to spotting spoofed calls.
Where is a 248 number from?
248 is assigned to Pontiac and surrounding areas of Michigan in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.
Is 248 a toll-free number?
No. 248 is a geographic code; calls are billed like any other domestic call. Toll-free codes are 800, 833, 844, 855, 866, 877 and 888.