Phone Prefix
(443) 423-XXXX
MD • BALTIMORE
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BALTIMORE
Assigned To
PAETEC ITEL, LLC
OCN
829J
Status
AS
Date Assigned
Sep 27, 2005
Number Range
First Number
(443) 423-0000
Last Number
(443) 423-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
28 reports
28
Total FCC + FTC DNC complaints for numbers in this prefix
Top 10 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 423-1939 4434231939 | 18 |
| 2 | (443) 423-1577 4434231577 | 2 |
| 3 | (443) 423-1926 4434231926 | 1 |
| 4 | (443) 423-1946 4434231946 | 1 |
| 5 | (443) 423-3729 4434233729 | 1 |
| 6 | (443) 423-6290 4434236290 | 1 |
| 7 | (443) 423-7586 4434237586 | 1 |
| 8 | (443) 423-8567 4434238567 | 1 |
| 9 | (443) 423-9678 4434239678 | 1 |
| 10 | (443) 423-1751 4434231751 | 1 |
About This Prefix
Phone numbers starting with (443) 423 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (423) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (423) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)