Phone Prefix
(605) 556-XXXX
SD • MADISON
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Carrier Information
NANPA
State
SD
Region
WE
Rate Center
MADISON
Assigned To
MIDCONTINENT COMMUNICATIONS. - SD
OCN
7076
Status
RT
Number Range
First Number
(605) 556-0000
Last Number
(605) 556-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
11 reports
11
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (605) 556-0438 6055560438 | 1 |
| 2 | (605) 556-1796 6055561796 | 1 |
| 3 | (605) 556-3150 6055563150 | 1 |
| 4 | (605) 556-3521 6055563521 | 1 |
| 5 | (605) 556-5023 6055565023 | 1 |
| 6 | (605) 556-5175 6055565175 | 1 |
| 7 | (605) 556-5620 6055565620 | 1 |
| 8 | (605) 556-6436 6055566436 | 1 |
| 9 | (605) 556-6446 6055566446 | 1 |
| 10 | (605) 556-6810 6055566810 | 1 |
| 11 | (605) 556-8174 6055568174 | 1 |
About This Prefix
Phone numbers starting with (605) 556 are part of the North American Numbering Plan (NANP). The first three digits (605) represent the Area Code (NPA), and the next three digits (556) represent the Central Office Code (NXX) or exchange.
- NPA (605) - Numbering Plan Area, identifies the geographic region
- NXX (556) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)