Newcastle, Washington
No ZIP code carries the name of Newcastle, Washington, in King County; the nearest ZIP codes are 98006, 98056 and 98059, in area code 425.
- Nearest ZIP
- 98006, 98056, 98059
- Area code
- 425
- County
- King County
- State
- Washington
- Time zone
- Pacific Time
- Coordinates
- 47.5315, -122.1656
Nearest ZIP codes to Newcastle
These are the ZIP codes nearest to Newcastle, each listed with the post office it is named after.
Area code for Newcastle
- Area code 425
In service since April 27, 1997. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Time zone
Newcastle is in the Pacific Time zone.
Towns near Newcastle
- Mercer Island5.7 km (3.5 mi)
- Renton5.8 km (3.6 mi)
- Beaux Arts6.6 km (4.1 mi)
- Bryn Mawr-Skyway6.9 km (4.3 mi)
- Bellevue8.3 km (5.2 mi)
- East Renton Highlands8.6 km (5.3 mi)
- Fairwood9.6 km (6.0 mi)
- Tukwila10.3 km (6.4 mi)
Local numbers in area code 425
Looking for a phone number with a Newcastle area code? These 425 numbers are for sale through Exclusive Digits. Portable to Verizon, AT&T, T-Mobile and all major US carriers.
- (425) 675-7070Bellevue, WA$89View & buy
- (425) 740-7773Everett, WA$89View & buy
- (425) 740-7776Everett, WA$89View & buy
- (425) 740-7779Everett, WA$89View & buy
- (425) 740-7878Everett, WAAlso spells RUST$89View & buy
- (425) 740-7979Everett, WA$89View & buy
- (425) 740-8889Everett, WA$89View & buy
- (425) 790-7775Bellevue, WA$89View & buy
- (425) 790-7778Bellevue, WA$89View & buy
- (425) 790-8787Bellevue, WA$89View & buy
- (425) 790-8886Bellevue, WA$89View & buy
- (425) 795-7070Bellevue, WA$89View & buy
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