414-338 Prefix — Slinger, Wisconsin

Phone numbers starting with 414-338 are based in Slinger, Wisconsin, primarily served by T-Mobile.

Recently looked-up numbers in 414-338

• 414-338-3644
• 414-338-5032

More about this region

Area code 414 directory · About area code 414 · Get a WI phone number

Last updated: March 9, 2026