Phone Prefix
(443) 478-XXXX
MD • BALTIMORE
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BALTIMORE
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Mar 12, 2009
Number Range
First Number
(443) 478-0000
Last Number
(443) 478-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
29 reports
29
Total FCC + FTC DNC complaints for numbers in this prefix
Top 20 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 478-4433 4434784433 | 7 |
| 2 | (443) 478-3885 4434783885 | 2 |
| 3 | (443) 478-3919 4434783919 | 2 |
| 4 | (443) 478-0933 4434780933 | 2 |
| 5 | (443) 478-3107 4434783107 | 1 |
| 6 | (443) 478-3225 4434783225 | 1 |
| 7 | (443) 478-3887 4434783887 | 1 |
| 8 | (443) 478-3909 4434783909 | 1 |
| 9 | (443) 478-3932 4434783932 | 1 |
| 10 | (443) 478-4415 4434784415 | 1 |
| 11 | (443) 478-4650 4434784650 | 1 |
| 12 | (443) 478-4789 4434784789 | 1 |
| 13 | (443) 478-4845 4434784845 | 1 |
| 14 | (443) 478-5487 4434785487 | 1 |
| 15 | (443) 478-7462 4434787462 | 1 |
| 16 | (443) 478-8513 4434788513 | 1 |
| 17 | (443) 478-8853 4434788853 | 1 |
| 18 | (443) 478-2797 4434782797 | 1 |
| 19 | (443) 478-2822 4434782822 | 1 |
| 20 | (443) 478-2850 4434782850 | 1 |
About This Prefix
Phone numbers starting with (443) 478 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (478) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (478) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)