Phone Prefix
(510) 891-XXXX
CA • OKLD MN-PD
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
CA
Region
WC
Rate Center
OKLD MN-PD
Assigned To
PACIFIC BELL
OCN
9740
Status
RT
Number Range
First Number
(510) 891-0000
Last Number
(510) 891-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
10 reports
10
Total FCC + FTC DNC complaints for numbers in this prefix
Top 10 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 891-0542 5108910542 | 1 |
| 2 | (510) 891-1257 5108911257 | 1 |
| 3 | (510) 891-1804 5108911804 | 1 |
| 4 | (510) 891-1853 5108911853 | 1 |
| 5 | (510) 891-1949 5108911949 | 1 |
| 6 | (510) 891-1964 5108911964 | 1 |
| 7 | (510) 891-3400 5108913400 | 1 |
| 8 | (510) 891-3403 5108913403 | 1 |
| 9 | (510) 891-6891 5108916891 | 1 |
| 10 | (510) 891-8784 5108918784 | 1 |
About This Prefix
Phone numbers starting with (510) 891 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (891) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (891) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)