NPA-NXX - 605-399
This is the 605-399 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!
The 605-399 subcode mainly covers Rapid City in Pennington county. But other numbers maybe included as well.
We have a database of information derived from the public phone records of South Dakota state. Many of the numbers in this subcode are Regular Landline registered to Centurylink. We hear they employ a large number of people in the South Dakota office.
Recently there have been an increase in reported calls, we've had over 100948 comments across our systems for the 605-399 subcode.
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708-978-3955 208-490-4862 702-960-7224 423-222-9299 816-369-7785917-744-6084 734-639-3115 480-457-6091 770-624-1271 417-295-2771