Phone Prefix
(408) 306-XXXX
CA • SUNNYVALE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SUNNYVALE
Assigned To
NEW CINGULAR WIRELESS PCS, LLC
OCN
6010
Status
RT
Number Range
First Number
(408) 306-0000
Last Number
(408) 306-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
13 reports
13
Total FCC + FTC DNC complaints for numbers in this prefix
Top 13 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (408) 306-1563 4083061563 | 1 |
| 2 | (408) 306-1852 4083061852 | 1 |
| 3 | (408) 306-2711 4083062711 | 1 |
| 4 | (408) 306-4381 4083064381 | 1 |
| 5 | (408) 306-4833 4083064833 | 1 |
| 6 | (408) 306-5382 4083065382 | 1 |
| 7 | (408) 306-5909 4083065909 | 1 |
| 8 | (408) 306-6042 4083066042 | 1 |
| 9 | (408) 306-6160 4083066160 | 1 |
| 10 | (408) 306-6229 4083066229 | 1 |
| 11 | (408) 306-7011 4083067011 | 1 |
| 12 | (408) 306-8338 4083068338 | 1 |
| 13 | (408) 306-9684 4083069684 | 1 |
About This Prefix
Phone numbers starting with (408) 306 are part of the North American Numbering Plan (NANP). The first three digits (408) represent the Area Code (NPA), and the next three digits (306) represent the Central Office Code (NXX) or exchange.
- NPA (408) - Numbering Plan Area, identifies the geographic region
- NXX (306) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)