North American Numbers Source-cited · ownership disclosed
Area code
385
In service
United States · since 2009

Salt Lake City (overlay)

Area code 385 is an overlay of 801 serving the Wasatch Front region of Utah, including Salt Lake City, Ogden and Provo. It entered service in 2008.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Salt Lake City (overlay)
Type
geographic
Status
in service
In service since
2009
Projected exhaust
2035 Q3

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records). Assignment records show initial assignees, not the carrier serving a number today.

A · Where it is

Where 385 is

Wasatch Front: Davis, Morgan, Salt Lake, Utah and Weber counties..

Communities served wholly or partly by 385:

Salt Lake CityOgdenProvoOremSandy

Same geography as 801.

B · Relationships

How it relates to other codes

The codes 385 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Overlay · 2008 801 Salt Lake City 385 overlays the entire 801 area (Wasatch Front).
Related · 1997 435 St. George / rest of Utah 435 covers the rest of Utah, adjacent outside the Wasatch Front.
What's changing. Overlay of 801 (Wasatch Front); ten-digit dialing mandatory.
C · History

How 385 got here

2008-06-01
Entered service as an overlay of 801 with a one-year permissive dialing period.
Source: Wikipedia
2009-06-01
Mandatory ten-digit dialing began.
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
510
Prefixes available
290
Thousands-blocks assigned
4,843

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 385 with another code →
Sources
Wikipedia ↗
Area codes 801 and 385
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.