Covers Clark County, Nevada
One of the original area codes of 1947
Overlay with 725

City facts
Area codes for Clark County, Nevada: history, overlays and how to dial.
Spring Valley uses area codes 702 and 725. Because more than one area code serves the same area, local calls need all ten digits.
Covers Clark County, Nevada
One of the original area codes of 1947
Overlay with 725
Covers Clark County, Nevada
In service since 2014
Overlay with 702
1 (702) 555-0123Dial 1, the area code, then the seven-digit number.(702) 555-0123Overlay area: always include the area code.+1 702 555 0123Use your country's exit code or +, then 1 for the US.Spring Valley is on Pacific Time (PT); check the time before calling from another zone.
Spring Valley was founded in May 1981. It is named for the Spring Mountains.
Dates, namesake and elevation from Wikipedia: Spring Valley, Nevada and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Spring Valley uses area codes 702 and 725. Because more than one area code serves the same area, local calls need all ten digits.
Area code 702 is one of the original North American area codes of 1947.
Area code 725 dates from 2014.
Yes. 702 and 725 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
Spring Valley is on Pacific Time (PT).
Other cities in this network that share 702 and 725 include Las Vegas, North Las Vegas, Sunrise Manor.
Sources: Area codes 702 and 725, Area codes 702 and 725 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.