Phone Prefix
(408) 990-XXXX
CA • SUNNYVALE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SUNNYVALE
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA
OCN
7240
Status
RT
Number Range
First Number
(408) 990-0000
Last Number
(408) 990-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
5 reports
5
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (408) 990-5142 4089905142 | 2 |
| 2 | (408) 990-0848 4089900848 | 1 |
| 3 | (408) 990-3486 4089903486 | 1 |
| 4 | (408) 990-9757 4089909757 | 1 |
About This Prefix
Phone numbers starting with (408) 990 are part of the North American Numbering Plan (NANP). The first three digits (408) represent the Area Code (NPA), and the next three digits (990) represent the Central Office Code (NXX) or exchange.
- NPA (408) - Numbering Plan Area, identifies the geographic region
- NXX (990) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)