NPA-NXX - 620-435

This is the 620-435 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. 620
3. 620-435

The 620-435 subcode mainly covers Argonia in Sumner county. But other numbers maybe included as well.

We have a database of information derived from the public phone records of Kansas state. Many of the numbers in this subcode are Regular Landline registered to Haviland Telephone Company. We hear they employ a large number of people in the Kansas office.
Recently there have been an increase in reported calls, we've had over 24132 comments across our systems for the 620-435 subcode.