Phone Prefix
(415) 421-XXXX
CA • SNFC CNTRL
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
SNFC CNTRL
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(415) 421-0000
Last Number
(415) 421-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 8 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (415) 421-4222 4154214222 | 2 |
| 2 | (415) 421-5422 4154215422 | 2 |
| 3 | (415) 421-8822 4154218822 | 1 |
| 4 | (415) 421-9050 4154219050 | 1 |
| 5 | (415) 421-9113 4154219113 | 1 |
| 6 | (415) 421-1516 4154211516 | 1 |
| 7 | (415) 421-9160 4154219160 | 1 |
| 8 | (415) 421-2442 4154212442 | 1 |
About This Prefix
Phone numbers starting with (415) 421 are part of the North American Numbering Plan (NANP). The first three digits (415) represent the Area Code (NPA), and the next three digits (421) represent the Central Office Code (NXX) or exchange.
- NPA (415) - Numbering Plan Area, identifies the geographic region
- NXX (421) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)