Phone Prefix
(443) 552-XXXX
MD • BALTIMORE
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
BALTIMORE
Assigned To
LEVEL 3 COMMUNICATIONS, LLC - MD
OCN
6119
Status
AS
Date Assigned
Apr 20, 2005
Number Range
First Number
(443) 552-0000
Last Number
(443) 552-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
64 reports
64
Total FCC + FTC DNC complaints for numbers in this prefix
Top 37 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 552-0099 4435520099 | 26 |
| 2 | (443) 552-5640 4435525640 | 2 |
| 3 | (443) 552-5427 4435525427 | 2 |
| 4 | (443) 552-0505 4435520505 | 1 |
| 5 | (443) 552-0789 4435520789 | 1 |
| 6 | (443) 552-0931 4435520931 | 1 |
| 7 | (443) 552-2165 4435522165 | 1 |
| 8 | (443) 552-2317 4435522317 | 1 |
| 9 | (443) 552-3034 4435523034 | 1 |
| 10 | (443) 552-3048 4435523048 | 1 |
| 11 | (443) 552-3057 4435523057 | 1 |
| 12 | (443) 552-3063 4435523063 | 1 |
| 13 | (443) 552-3074 4435523074 | 1 |
| 14 | (443) 552-3210 4435523210 | 1 |
| 15 | (443) 552-3293 4435523293 | 1 |
| 16 | (443) 552-3332 4435523332 | 1 |
| 17 | (443) 552-3479 4435523479 | 1 |
| 18 | (443) 552-3514 4435523514 | 1 |
| 19 | (443) 552-5123 4435525123 | 1 |
| 20 | (443) 552-5145 4435525145 | 1 |
| 21 | (443) 552-5147 4435525147 | 1 |
| 22 | (443) 552-5426 4435525426 | 1 |
| 23 | (443) 552-5614 4435525614 | 1 |
| 24 | (443) 552-5702 4435525702 | 1 |
| 25 | (443) 552-5788 4435525788 | 1 |
| 26 | (443) 552-5794 4435525794 | 1 |
| 27 | (443) 552-5867 4435525867 | 1 |
| 28 | (443) 552-5892 4435525892 | 1 |
| 29 | (443) 552-5893 4435525893 | 1 |
| 30 | (443) 552-5894 4435525894 | 1 |
| 31 | (443) 552-5980 4435525980 | 1 |
| 32 | (443) 552-5989 4435525989 | 1 |
| 33 | (443) 552-7077 4435527077 | 1 |
| 34 | (443) 552-7720 4435527720 | 1 |
| 35 | (443) 552-9805 4435529805 | 1 |
| 36 | (443) 552-0231 4435520231 | 1 |
| 37 | (443) 552-0338 4435520338 | 1 |
About This Prefix
Phone numbers starting with (443) 552 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (552) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (552) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)