Phone Prefix
(408) 543-XXXX
CA • SUNNYVALE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SUNNYVALE
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(408) 543-0000
Last Number
(408) 543-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 9 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (408) 543-3953 4085433953 | 2 |
| 2 | (408) 543-2059 4085432059 | 1 |
| 3 | (408) 543-3987 4085433987 | 1 |
| 4 | (408) 543-5276 4085435276 | 1 |
| 5 | (408) 543-7256 4085437256 | 1 |
| 6 | (408) 543-7613 4085437613 | 1 |
| 7 | (408) 543-8058 4085438058 | 1 |
| 8 | (408) 543-0408 4085430408 | 1 |
| 9 | (408) 543-9724 4085439724 | 1 |
About This Prefix
Phone numbers starting with (408) 543 are part of the North American Numbering Plan (NANP). The first three digits (408) represent the Area Code (NPA), and the next three digits (543) represent the Central Office Code (NXX) or exchange.
- NPA (408) - Numbering Plan Area, identifies the geographic region
- NXX (543) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)