551-345 Prefix — Newark, New Jersey

Phone numbers starting with 551-345 are based in Newark, New Jersey, primarily served by Onvoy, LLC Nj.

Recently looked-up numbers in 551-345

• 551-345-1517

More about this region

Area code 551 directory · About area code 551 · Get a NJ phone number

Last updated: March 19, 2026