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Phone Numbers: (509) 503-XXXX
Recently Searched Numbers in the 509 Area Code
About the (509) 503 Prefix
The (509) 503 prefix serves Spokane, Washington, United States. Phone numbers in this exchange follow the format (509) 503-XXXX. The primary carrier assigned to this prefix is T-Mobile.
(509) 503 Geographic Info
- Primary City
- Spokane
- State
- Washington, United States
- Primary Carrier
- T-Mobile
Other Prefixes in the 509 Area Code
Phone fraud keeps evolving, but the fundamentals of staying safe haven't changed. Here's one that matters:
Every time you enter your phone number on a website, sign up for a loyalty card, register a warranty, or download an app that requests your contacts, that number enters the data broker ecosystem. Brokers aggregate, package, and resell this data — and scammers obtain it from data breaches, leaked databases, or the same brokers.
Read more: How to Stop Spam Calls on iPhone and Android (2026 Guide) →Frequently Asked Questions
What area code is (509) 503?
(509) 503 is a telephone prefix in the 509 area code, which serves Spokane, Washington, United States.
Where is the (509) 503 prefix located?
Phone numbers with the (509) 503 prefix are located in Spokane, Washington, United States. The primary carrier for this prefix is T-Mobile.
What carrier uses the (509) 503 prefix?
The primary carrier assigned to the (509) 503 prefix is T-Mobile. However, numbers may be ported to other carriers over time.
How do I look up a phone number with the (509) 503 prefix?
Enter the full 10-digit number (e.g. (509) 503-XXXX) into ClarityCheck's reverse phone lookup to instantly see the owner's name, address, social profiles, and more.