Issaquah, Washington Phone Lookup

Q: How do I look up a phone number in Issaquah, Washington?

Enter the full 10-digit number into the search box and click Search. 411FCC returns the owner's name, location, carrier, and line type. The lookup covers all 1 area code serving Issaquah.

Q: What types of phone numbers are in Issaquah?

Issaquah has both wireless and landline numbers. Approximately 44% of prefixes are wireless, with 56% being landline or VoIP. 411FCC results identify the line type and carrier for any number searched.

Find the owner of any phone number in Issaquah, Washington.

What Phone Numbers Are in Issaquah, Washington?

Looking up a phone number in Issaquah, Washington? Enter any 10-digit phone number in the search box above to find the owner's name, address, and carrier information. Issaquah is served by 1 area code and has 35 active phone prefixes.

1 Area Code

35 Phone Prefixes

44% Wireless

56% Landline

Area Codes Serving Issaquah

Phone numbers in Issaquah, Washington use the following area code: 425.

Top Phone Carriers in Issaquah

The most common phone service providers in Issaquah include:

Cellco Partnership Dba Verizon Wireless - Wa
T-mobile Usa, Inc.
Onvoy, Llc - Wa
Qwest Corporation
New Cingular Wireless Pcs, Llc

Data current as of March 2026

Nearby Cities in Washington

Other cities in Washington that share area codes with Issaquah:

Issaquah at a Glance

39,591 Population

37.5 Median Age

$154,669 Median Income

17,542 Housing Units

57% Homeownership

Demographics

White 57.4%
Black 2.3%
Hispanic 5.7%
Asian 26.8%
Other 7.9%

Financial Profile

$219,442 Avg. Income per Return

$178,012 Avg. Wages per Return

14,170 Tax Returns Filed

1 ZIP Codes

Frequently Asked Questions

What Area Codes Serve Issaquah, Washington?

Phone numbers in Issaquah, Washington use 1 area code: 425. These area codes are shared with other cities in the region. Issaquah has 35 active phone prefixes assigned to local carriers. If you received a call from one of these area codes, enter the full 10-digit number into the search box above to find out who called. The area code alone tells you the general geographic region, but a full reverse phone lookup on 411FCC reveals the specific owner, carrier, and line type associated with the number.

How Do I Look Up a Phone Number in Issaquah, Washington?

To look up any phone number in Issaquah, enter the full 10-digit number into the search box at the top of this page and click Search. 411FCC returns available information about the number including the registered owner's name, location, phone carrier, and whether it is a wireless cell phone, landline, or VoIP line. The lookup covers all 1 area code serving Issaquah and works for numbers from every carrier in the area. Results appear within seconds. 411FCC has maintained its phone number database since 2003.

What Types of Phone Numbers Are in Issaquah?

Issaquah, Washington has both wireless and landline phone numbers. Approximately 44% of phone prefixes in the area are classified as wireless (cell phone), with the remaining 56% being landline or VoIP. Major carriers serving the area include Cellco Partnership Dba Verizon Wireless - Wa, T-mobile Usa, Inc., Onvoy, Llc - Wa. When you search a phone number on 411FCC, the results identify the line type and carrier, which helps distinguish personal cell phones from business landlines and identify VoIP numbers commonly used by automated calling systems.