Phone Prefix
(858) 504-XXXX
CA • RNCHOSANFE
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
RNCHOSANFE
Assigned To
T-MOBILE USA, INC.
OCN
6529
Status
RT
Number Range
First Number
(858) 504-0000
Last Number
(858) 504-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 19 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 504-2642 8585042642 | 4 |
| 2 | (858) 504-7779 8585047779 | 3 |
| 3 | (858) 504-2645 8585042645 | 2 |
| 4 | (858) 504-3078 8585043078 | 2 |
| 5 | (858) 504-2419 8585042419 | 2 |
| 6 | (858) 504-3817 8585043817 | 1 |
| 7 | (858) 504-3830 8585043830 | 1 |
| 8 | (858) 504-3871 8585043871 | 1 |
| 9 | (858) 504-3918 8585043918 | 1 |
| 10 | (858) 504-3931 8585043931 | 1 |
| 11 | (858) 504-6036 8585046036 | 1 |
| 12 | (858) 504-6588 8585046588 | 1 |
| 13 | (858) 504-6690 8585046690 | 1 |
| 14 | (858) 504-7078 8585047078 | 1 |
| 15 | (858) 504-9164 8585049164 | 1 |
| 16 | (858) 504-2529 8585042529 | 1 |
| 17 | (858) 504-3149 8585043149 | 1 |
| 18 | (858) 504-3393 8585043393 | 1 |
| 19 | (858) 504-3712 8585043712 | 1 |
About This Prefix
Phone numbers starting with (858) 504 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (504) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (504) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)