Phone Prefix
(858) 303-XXXX
CA • LA JOLLA
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
LA JOLLA
Assigned To
COMCAST IP PHONE, LLC
OCN
318J
Status
AS
Date Assigned
Nov 26, 2019
Number Range
First Number
(858) 303-0000
Last Number
(858) 303-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 303-0168 8583030168 | 1 |
| 2 | (858) 303-1402 8583031402 | 1 |
| 3 | (858) 303-9387 8583039387 | 1 |
| 4 | (858) 303-9999 8583039999 | 1 |
About This Prefix
Phone numbers starting with (858) 303 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (303) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (303) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)