Phone Prefix
(858) 521-XXXX
CA • RNCHOBRNDO
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
RNCHOBRNDO
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(858) 521-0000
Last Number
(858) 521-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
19 reports
19
Total FCC + FTC DNC complaints for numbers in this prefix
Top 17 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (858) 521-8914 8585218914 | 2 |
| 2 | (858) 521-8925 8585218925 | 2 |
| 3 | (858) 521-0546 8585210546 | 1 |
| 4 | (858) 521-4442 8585214442 | 1 |
| 5 | (858) 521-8003 8585218003 | 1 |
| 6 | (858) 521-8207 8585218207 | 1 |
| 7 | (858) 521-8400 8585218400 | 1 |
| 8 | (858) 521-8440 8585218440 | 1 |
| 9 | (858) 521-8724 8585218724 | 1 |
| 10 | (858) 521-8768 8585218768 | 1 |
| 11 | (858) 521-8898 8585218898 | 1 |
| 12 | (858) 521-8949 8585218949 | 1 |
| 13 | (858) 521-9308 8585219308 | 1 |
| 14 | (858) 521-9721 8585219721 | 1 |
| 15 | (858) 521-0496 8585210496 | 1 |
| 16 | (858) 521-9723 8585219723 | 1 |
| 17 | (858) 521-0531 8585210531 | 1 |
About This Prefix
Phone numbers starting with (858) 521 are part of the North American Numbering Plan (NANP). The first three digits (858) represent the Area Code (NPA), and the next three digits (521) represent the Central Office Code (NXX) or exchange.
- NPA (858) - Numbering Plan Area, identifies the geographic region
- NXX (521) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)