Phone Prefix
(443) 666-XXXX
MD • CHESTERTN
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
CHESTERTN
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Jan 15, 2018
Number Range
First Number
(443) 666-0000
Last Number
(443) 666-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
8 reports
8
Total FCC + FTC DNC complaints for numbers in this prefix
Top 6 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 666-3332 4436663332 | 2 |
| 2 | (443) 666-6043 4436666043 | 1 |
| 3 | (443) 666-6303 4436666303 | 1 |
| 4 | (443) 666-6459 4436666459 | 1 |
| 5 | (443) 666-8145 4436668145 | 1 |
| 6 | (443) 666-9824 4436669824 | 1 |
About This Prefix
Phone numbers starting with (443) 666 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (666) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (666) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)