Phone Prefix
(857) 399-XXXX
MA • ROXBURY
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Carrier Information
NANPA
State
MA
Region
NE
Rate Center
ROXBURY
Assigned To
BANDWIDTH.COM CLEC, LLC - MA
OCN
990E
Status
RT
Number Range
First Number
(857) 399-0000
Last Number
(857) 399-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
4 reports
4
Total FCC + FTC DNC complaints for numbers in this prefix
Top 4 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (857) 399-2681 8573992681 | 1 |
| 2 | (857) 399-4930 8573994930 | 1 |
| 3 | (857) 399-7036 8573997036 | 1 |
| 4 | (857) 399-9589 8573999589 | 1 |
About This Prefix
Phone numbers starting with (857) 399 are part of the North American Numbering Plan (NANP). The first three digits (857) represent the Area Code (NPA), and the next three digits (399) represent the Central Office Code (NXX) or exchange.
- NPA (857) - Numbering Plan Area, identifies the geographic region
- NXX (399) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)