Cities in area code 425

14 localities · NANPA data, current as of July 28, 2026.

These are the cities and communities covered by 425 in Washington. "Covered" means the locality is a rate center holding 425 prefixes; the largest are Bellevue, Everett, Kirkland.

Bellevue, Everett, Kirkland, Bothell, Renton, Halls Lake, Issaquah and Silverlake hold the largest prefix inventories; and 5 smaller communities down to single-prefix localities. Each locality below links to its rate-center page with the full prefix list.

14 of the localities fall within FCC top-100 metropolitan statistical areas; the rest are smaller communities.

All of the code's territory keeps Pacific time.

Remember that people keep numbers when they relocate, so a 425 number is a where-it-was-issued fact, not a where-they-are fact.

FAQ

What is the biggest city in area code 425?

Bellevue holds the most active prefixes (180), making it the code's largest numbering locality.

How many places does 425 cover?

14 rate centers in Washington hold active 425 prefixes, from Bellevue down to communities with a single prefix.

Does a 425 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.