Phone Prefix
(443) 438-XXXX
MD • BALTIMORE
Search Number in This Prefix
Enter the last 4 digits to search for a specific number
Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BALTIMORE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Oct 08, 2008
Number Range
First Number
(443) 438-0000
Last Number
(443) 438-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
15 reports
15
Total FCC + FTC DNC complaints for numbers in this prefix
Top 11 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 438-1945 4434381945 | 3 |
| 2 | (443) 438-1322 4434381322 | 3 |
| 3 | (443) 438-1799 4434381799 | 1 |
| 4 | (443) 438-1855 4434381855 | 1 |
| 5 | (443) 438-1862 4434381862 | 1 |
| 6 | (443) 438-1923 4434381923 | 1 |
| 7 | (443) 438-4444 4434384444 | 1 |
| 8 | (443) 438-5741 4434385741 | 1 |
| 9 | (443) 438-7634 4434387634 | 1 |
| 10 | (443) 438-8158 4434388158 | 1 |
| 11 | (443) 438-1490 4434381490 | 1 |
About This Prefix
Phone numbers starting with (443) 438 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (438) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (438) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)