Phone Prefix
(517) 521-XXXX
MI • WEBBERVL
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Carrier Information
NANPA
State
MI
Region
MW
Rate Center
WEBBERVL
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MI
OCN
6120
Status
AS
Date Assigned
Nov 12, 2009
Number Range
First Number
(517) 521-0000
Last Number
(517) 521-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
8 reports
8
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (517) 521-1879 5175211879 | 1 |
| 2 | (517) 521-3253 5175213253 | 1 |
| 3 | (517) 521-3435 5175213435 | 1 |
| 4 | (517) 521-3656 5175213656 | 1 |
| 5 | (517) 521-6340 5175216340 | 1 |
| 6 | (517) 521-7188 5175217188 | 1 |
| 7 | (517) 521-7219 5175217219 | 1 |
| 8 | (517) 521-9627 5175219627 | 1 |
About This Prefix
Phone numbers starting with (517) 521 are part of the North American Numbering Plan (NANP). The first three digits (517) represent the Area Code (NPA), and the next three digits (521) represent the Central Office Code (NXX) or exchange.
- NPA (517) - Numbering Plan Area, identifies the geographic region
- NXX (521) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)