Lookup › Area code 661 › 661-678
661-678 Prefix — No Hollywd, California
Phone numbers starting with 661-678 are based in No Hollywd, California, primarily served by T-Mobile.
Recently looked-up numbers in 661-678
More about this region
Area code 661 directory · About area code 661 · Get a CA phone number
Last updated: June 23, 2026