Phone Prefix
(605) 312-XXXX
SD • SIOUX FLS
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Carrier Information
NANPA
State
SD
Region
WE
Rate Center
SIOUX FLS
Assigned To
QWEST CORPORATION
OCN
9631
Status
AS
Date Assigned
Oct 03, 2007
Number Range
First Number
(605) 312-0000
Last Number
(605) 312-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
7 reports
7
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (605) 312-1634 6053121634 | 1 |
| 2 | (605) 312-2999 6053122999 | 1 |
| 3 | (605) 312-5950 6053125950 | 1 |
| 4 | (605) 312-6286 6053126286 | 1 |
| 5 | (605) 312-7289 6053127289 | 1 |
| 6 | (605) 312-9545 6053129545 | 1 |
About This Prefix
Phone numbers starting with (605) 312 are part of the North American Numbering Plan (NANP). The first three digits (605) represent the Area Code (NPA), and the next three digits (312) represent the Central Office Code (NXX) or exchange.
- NPA (605) - Numbering Plan Area, identifies the geographic region
- NXX (312) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)