Phone Prefix
(805) 557-XXXX
CA • THOUSAOAKS
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
THOUSAOAKS
Assigned To
FRONTIER CALIFORNIA INC.
OCN
2319
Status
RT
Number Range
First Number
(805) 557-0000
Last Number
(805) 557-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
12 reports
12
Total FCC + FTC DNC complaints for numbers in this prefix
Top 12 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (805) 557-0540 8055570540 | 1 |
| 2 | (805) 557-1700 8055571700 | 1 |
| 3 | (805) 557-1701 8055571701 | 1 |
| 4 | (805) 557-1961 8055571961 | 1 |
| 5 | (805) 557-2861 8055572861 | 1 |
| 6 | (805) 557-4762 8055574762 | 1 |
| 7 | (805) 557-7679 8055577679 | 1 |
| 8 | (805) 557-7919 8055577919 | 1 |
| 9 | (805) 557-7962 8055577962 | 1 |
| 10 | (805) 557-8228 8055578228 | 1 |
| 11 | (805) 557-8498 8055578498 | 1 |
| 12 | (805) 557-8988 8055578988 | 1 |
About This Prefix
Phone numbers starting with (805) 557 are part of the North American Numbering Plan (NANP). The first three digits (805) represent the Area Code (NPA), and the next three digits (557) represent the Central Office Code (NXX) or exchange.
- NPA (805) - Numbering Plan Area, identifies the geographic region
- NXX (557) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)