Phone Prefix
(443) 407-XXXX
MD • DUNDALK
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
DUNDALK
Assigned To
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
OCN
7229
Status
RT
Number Range
First Number
(443) 407-0000
Last Number
(443) 407-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
18 reports
18
Total FCC + FTC DNC complaints for numbers in this prefix
Top 14 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 407-8258 4434078258 | 3 |
| 2 | (443) 407-8517 4434078517 | 2 |
| 3 | (443) 407-5394 4434075394 | 2 |
| 4 | (443) 407-5324 4434075324 | 1 |
| 5 | (443) 407-7791 4434077791 | 1 |
| 6 | (443) 407-7990 4434077990 | 1 |
| 7 | (443) 407-8265 4434078265 | 1 |
| 8 | (443) 407-8414 4434078414 | 1 |
| 9 | (443) 407-8423 4434078423 | 1 |
| 10 | (443) 407-8718 4434078718 | 1 |
| 11 | (443) 407-2645 4434072645 | 1 |
| 12 | (443) 407-8719 4434078719 | 1 |
| 13 | (443) 407-3274 4434073274 | 1 |
| 14 | (443) 407-4295 4434074295 | 1 |
About This Prefix
Phone numbers starting with (443) 407 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (407) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (407) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)