Phone Prefix
(858) 431-XXXX
CA • LA JOLLA
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
LA JOLLA
Assigned To
AT&T - LOCAL
OCN
7421
Status
RT
Number Range
First Number
(858) 431-0000
Last Number
(858) 431-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 431-4456 8584314456 | 4 |
| 2 | (858) 431-3938 8584313938 | 2 |
| 3 | (858) 431-1448 8584311448 | 1 |
| 4 | (858) 431-1802 8584311802 | 1 |
| 5 | (858) 431-1830 8584311830 | 1 |
| 6 | (858) 431-9840 8584319840 | 1 |
About This Prefix
Phone numbers starting with (858) 431 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (431) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (431) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)