Phone Prefix
(909) 581-XXXX
CA • UPLAND
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
UPLAND
Assigned To
FRONTIER CALIFORNIA INC.
OCN
2319
Status
RT
Number Range
First Number
(909) 581-0000
Last Number
(909) 581-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
83 reports
83
Total FCC + FTC DNC complaints for numbers in this prefix
Top 19 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (909) 581-4983 9095814983 | 56 |
| 2 | (909) 581-8461 9095818461 | 5 |
| 3 | (909) 581-4967 9095814967 | 4 |
| 4 | (909) 581-4894 9095814894 | 2 |
| 5 | (909) 581-9474 9095819474 | 2 |
| 6 | (909) 581-4944 9095814944 | 1 |
| 7 | (909) 581-1320 9095811320 | 1 |
| 8 | (909) 581-6077 9095816077 | 1 |
| 9 | (909) 581-7983 9095817983 | 1 |
| 10 | (909) 581-8058 9095818058 | 1 |
| 11 | (909) 581-8201 9095818201 | 1 |
| 12 | (909) 581-8527 9095818527 | 1 |
| 13 | (909) 581-8618 9095818618 | 1 |
| 14 | (909) 581-8665 9095818665 | 1 |
| 15 | (909) 581-4985 9095814985 | 1 |
| 16 | (909) 581-1714 9095811714 | 1 |
| 17 | (909) 581-2110 9095812110 | 1 |
| 18 | (909) 581-2263 9095812263 | 1 |
| 19 | (909) 581-2633 9095812633 | 1 |
About This Prefix
Phone numbers starting with (909) 581 are part of the North American Numbering Plan (NANP). The first three digits (909) represent the Area Code (NPA), and the next three digits (581) represent the Central Office Code (NXX) or exchange.
- NPA (909) - Numbering Plan Area, identifies the geographic region
- NXX (581) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)