425 area code
Where the 425 area code is, its overlay and how to dial a +1 425 number from anywhere.
The 425 area code is in Bellevue, Washington, United States (Pacific (PT)). To call from abroad: +1 425 555-0123.
The 425 area code is a geographic North American Numbering Plan (NANP) code covering Bellevue, Washington. It has been in service since 31-Oct-1996 and sits in the Pacific (PT) time zone.
How to dial a 425 number
+1 425 555-01231 425 555-0123425 555-0123Cities in the 425 area code
A 425 number is usually in one of these places in Washington — 3 counties.
Other Washington area codes
Frequently asked questions
Where is the 425 area code?
The 425 area code is in Bellevue, Washington, United States (Pacific (PT)).
Do I have to dial 10 digits for 425?
Yes — dial the area code plus the seven-digit number.
How do I call a 425 number from another country?
Dial your exit code (or +), then 1, then 425, then the number: +1 425 555-0123.
Source: NANPA numbering plan. An area code covers a region, not a precise address — a 425 number does not pinpoint a street or ZIP code.
Number holders in area code 425
Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 647 prefixes are in use in 425, shared by 36 companies. The largest holders:
| Company | Prefixes | Share |
|---|---|---|
| Ziply Fiber Northwest, LLC Dba Ziply Fiber | 122 | 19% |
| T-Mobile USA, Inc. | 91 | 14% |
| Qwest Corporation | 69 | 11% |
| Level 3 Communications, LLC | 49 | 8% |
| New Cingular Wireless PCS, LLC | 44 | 7% |
| Onvoy, LLC | 41 | 6% |
Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.
Complaints about 425 numbers
- Reports to the FTC, last 30 days
- 933
- Recorded messages or robocalls
- 76%
- Rank among area codes
- #51 of 670
- Most reported subjects
- Other (599)
- Reducing your debt (credit cards, mortgage, student loans) (65)
- Dropped call or no message (63)
Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.
Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).
All US area codes United States +1 Map of area code 425 — cities & rate centres