Phone Prefix
(510) 277-XXXX
CA • OKLD BKLY
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 BKLY
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - CA
OCN
8826
Status
AS
Number Range
First Number
(510) 277-0000
Last Number
(510) 277-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
47 reports
47
Total FCC + FTC DNC complaints for numbers in this prefix
Top 37 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (510) 277-1212 5102771212 | 5 |
| 2 | (510) 277-2209 5102772209 | 3 |
| 3 | (510) 277-4446 5102774446 | 2 |
| 4 | (510) 277-4837 5102774837 | 2 |
| 5 | (510) 277-4530 5102774530 | 2 |
| 6 | (510) 277-5278 5102775278 | 2 |
| 7 | (510) 277-4220 5102774220 | 1 |
| 8 | (510) 277-4221 5102774221 | 1 |
| 9 | (510) 277-4253 5102774253 | 1 |
| 10 | (510) 277-4437 5102774437 | 1 |
| 11 | (510) 277-4442 5102774442 | 1 |
| 12 | (510) 277-4543 5102774543 | 1 |
| 13 | (510) 277-4591 5102774591 | 1 |
| 14 | (510) 277-4666 5102774666 | 1 |
| 15 | (510) 277-4668 5102774668 | 1 |
| 16 | (510) 277-4739 5102774739 | 1 |
| 17 | (510) 277-4779 5102774779 | 1 |
| 18 | (510) 277-4808 5102774808 | 1 |
| 19 | (510) 277-4876 5102774876 | 1 |
| 20 | (510) 277-4901 5102774901 | 1 |
| 21 | (510) 277-4906 5102774906 | 1 |
| 22 | (510) 277-4949 5102774949 | 1 |
| 23 | (510) 277-4958 5102774958 | 1 |
| 24 | (510) 277-4970 5102774970 | 1 |
| 25 | (510) 277-4989 5102774989 | 1 |
| 26 | (510) 277-5823 5102775823 | 1 |
| 27 | (510) 277-8650 5102778650 | 1 |
| 28 | (510) 277-8884 5102778884 | 1 |
| 29 | (510) 277-8970 5102778970 | 1 |
| 30 | (510) 277-9132 5102779132 | 1 |
| 31 | (510) 277-0140 5102770140 | 1 |
| 32 | (510) 277-9860 5102779860 | 1 |
| 33 | (510) 277-0962 5102770962 | 1 |
| 34 | (510) 277-1638 5102771638 | 1 |
| 35 | (510) 277-2359 5102772359 | 1 |
| 36 | (510) 277-3462 5102773462 | 1 |
| 37 | (510) 277-4209 5102774209 | 1 |
About This Prefix
Phone numbers starting with (510) 277 are part of the North American Numbering Plan (NANP). The first three digits (510) represent the Area Code (NPA), and the next three digits (277) represent the Central Office Code (NXX) or exchange.
- NPA (510) - Numbering Plan Area, identifies the geographic region
- NXX (277) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)