Phone Prefix
(605) 621-XXXX
SD • MADISON
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Carrier Information
NANPA
State
SD
Region
WE
Rate Center
MADISON
Assigned To
TELNYX LLC
OCN
073H
Status
AS
Date Assigned
Sep 01, 2023
Number Range
First Number
(605) 621-0000
Last Number
(605) 621-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (605) 621-1271 6056211271 | 1 |
| 2 | (605) 621-1346 6056211346 | 1 |
| 3 | (605) 621-1886 6056211886 | 1 |
| 4 | (605) 621-5707 6056215707 | 1 |
About This Prefix
Phone numbers starting with (605) 621 are part of the North American Numbering Plan (NANP). The first three digits (605) represent the Area Code (NPA), and the next three digits (621) represent the Central Office Code (NXX) or exchange.
- NPA (605) - Numbering Plan Area, identifies the geographic region
- NXX (621) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)