Phone Prefix
(408) 663-XXXX
CA • SUNNYVALE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SUNNYVALE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
OCN
6006
Status
AS
Date Assigned
Nov 16, 2010
Number Range
First Number
(408) 663-0000
Last Number
(408) 663-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
24 reports
24
Total FCC + FTC DNC complaints for numbers in this prefix
Top 21 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (408) 663-4238 4086634238 | 2 |
| 2 | (408) 663-5901 4086635901 | 2 |
| 3 | (408) 663-9841 4086639841 | 2 |
| 4 | (408) 663-4192 4086634192 | 1 |
| 5 | (408) 663-4243 4086634243 | 1 |
| 6 | (408) 663-4426 4086634426 | 1 |
| 7 | (408) 663-4710 4086634710 | 1 |
| 8 | (408) 663-4772 4086634772 | 1 |
| 9 | (408) 663-4903 4086634903 | 1 |
| 10 | (408) 663-2244 4086632244 | 1 |
| 11 | (408) 663-5432 4086635432 | 1 |
| 12 | (408) 663-5867 4086635867 | 1 |
| 13 | (408) 663-6359 4086636359 | 1 |
| 14 | (408) 663-6424 4086636424 | 1 |
| 15 | (408) 663-8332 4086638332 | 1 |
| 16 | (408) 663-9027 4086639027 | 1 |
| 17 | (408) 663-9282 4086639282 | 1 |
| 18 | (408) 663-9304 4086639304 | 1 |
| 19 | (408) 663-5424 4086635424 | 1 |
| 20 | (408) 663-2567 4086632567 | 1 |
| 21 | (408) 663-4135 4086634135 | 1 |
About This Prefix
Phone numbers starting with (408) 663 are part of the North American Numbering Plan (NANP). The first three digits (408) represent the Area Code (NPA), and the next three digits (663) represent the Central Office Code (NXX) or exchange.
- NPA (408) - Numbering Plan Area, identifies the geographic region
- NXX (663) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)