Phone Prefix
(510) 870-XXXX
CA • FRNK GRNLF
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Carrier Information
NANPA
State
CA
Region
WC
Rate Center
FRNK GRNLF
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - CA
OCN
8826
Status
RT
Number Range
First Number
(510) 870-0000
Last Number
(510) 870-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
6 reports
6
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 870-0243 5108700243 | 1 |
| 2 | (510) 870-0355 5108700355 | 1 |
| 3 | (510) 870-2438 5108702438 | 1 |
| 4 | (510) 870-2978 5108702978 | 1 |
| 5 | (510) 870-4891 5108704891 | 1 |
| 6 | (510) 870-9267 5108709267 | 1 |
About This Prefix
Phone numbers starting with (510) 870 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (870) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (870) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)