NPA-NXX - 402-508

This is the 402-508 subcode (NPA-NXX) prefix page. Follow a prefix to find the number you are looking for. We divide our pages up to make them more user friendly to navigate!

1. Area Codes
2. 402
3. 402-508

The 402-508 subcode mainly covers South Sioux City in Dakota county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Nebraska state. Many of the numbers in this subcode are Cellular (Dedicated) registered to At&t Mobility. We hear they employ a large number of people in the Nebraska office.
Recently there have been an increase in reported calls, we've had over 21006 comments across our systems for the 402-508 subcode.