Phone Prefix
(443) 300-XXXX
MD • SYKESVILLE
Search Number in This Prefix
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
SYKESVILLE
Assigned To
ONVOY, LLC - MD
OCN
876D
Status
AS
Date Assigned
Jun 16, 2021
Number Range
First Number
(443) 300-0000
Last Number
(443) 300-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
93 reports
93
Total FCC + FTC DNC complaints for numbers in this prefix
Top 63 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (443) 300-9251 4433009251 | 7 |
| 2 | (443) 300-1826 4433001826 | 5 |
| 3 | (443) 300-1820 4433001820 | 4 |
| 4 | (443) 300-0535 4433000535 | 3 |
| 5 | (443) 300-1320 4433001320 | 3 |
| 6 | (443) 300-1841 4433001841 | 2 |
| 7 | (443) 300-1315 4433001315 | 2 |
| 8 | (443) 300-1547 4433001547 | 2 |
| 9 | (443) 300-1316 4433001316 | 2 |
| 10 | (443) 300-1838 4433001838 | 2 |
| 11 | (443) 300-4778 4433004778 | 2 |
| 12 | (443) 300-0828 4433000828 | 2 |
| 13 | (443) 300-1322 4433001322 | 2 |
| 14 | (443) 300-0132 4433000132 | 2 |
| 15 | (443) 300-9650 4433009650 | 2 |
| 16 | (443) 300-1840 4433001840 | 2 |
| 17 | (443) 300-1856 4433001856 | 2 |
| 18 | (443) 300-1599 4433001599 | 1 |
| 19 | (443) 300-1601 4433001601 | 1 |
| 20 | (443) 300-1751 4433001751 | 1 |
| 21 | (443) 300-1752 4433001752 | 1 |
| 22 | (443) 300-1824 4433001824 | 1 |
| 23 | (443) 300-1925 4433001925 | 1 |
| 24 | (443) 300-1977 4433001977 | 1 |
| 25 | (443) 300-2245 4433002245 | 1 |
| 26 | (443) 300-4060 4433004060 | 1 |
| 27 | (443) 300-6294 4433006294 | 1 |
| 28 | (443) 300-7524 4433007524 | 1 |
| 29 | (443) 300-8094 4433008094 | 1 |
| 30 | (443) 300-9041 4433009041 | 1 |
| 31 | (443) 300-9047 4433009047 | 1 |
| 32 | (443) 300-9057 4433009057 | 1 |
| 33 | (443) 300-9076 4433009076 | 1 |
| 34 | (443) 300-9182 4433009182 | 1 |
| 35 | (443) 300-9211 4433009211 | 1 |
| 36 | (443) 300-9248 4433009248 | 1 |
| 37 | (443) 300-9271 4433009271 | 1 |
| 38 | (443) 300-9274 4433009274 | 1 |
| 39 | (443) 300-9439 4433009439 | 1 |
| 40 | (443) 300-9462 4433009462 | 1 |
| 41 | (443) 300-9544 4433009544 | 1 |
| 42 | (443) 300-9548 4433009548 | 1 |
| 43 | (443) 300-9560 4433009560 | 1 |
| 44 | (443) 300-9612 4433009612 | 1 |
| 45 | (443) 300-9921 4433009921 | 1 |
| 46 | (443) 300-0023 4433000023 | 1 |
| 47 | (443) 300-9971 4433009971 | 1 |
| 48 | (443) 300-0348 4433000348 | 1 |
| 49 | (443) 300-0374 4433000374 | 1 |
| 50 | (443) 300-0432 4433000432 | 1 |
| 51 | (443) 300-0479 4433000479 | 1 |
| 52 | (443) 300-0761 4433000761 | 1 |
| 53 | (443) 300-0825 4433000825 | 1 |
| 54 | (443) 300-0917 4433000917 | 1 |
| 55 | (443) 300-0964 4433000964 | 1 |
| 56 | (443) 300-1097 4433001097 | 1 |
| 57 | (443) 300-1291 4433001291 | 1 |
| 58 | (443) 300-1293 4433001293 | 1 |
| 59 | (443) 300-1321 4433001321 | 1 |
| 60 | (443) 300-1407 4433001407 | 1 |
| 61 | (443) 300-1427 4433001427 | 1 |
| 62 | (443) 300-1483 4433001483 | 1 |
| 63 | (443) 300-1552 4433001552 | 1 |
About This Prefix
Phone numbers starting with (443) 300 are part of the North American Numbering Plan (NANP). The first three digits (443) represent the Area Code (NPA), and the next three digits (300) represent the Central Office Code (NXX) or exchange.
- NPA (443) - Numbering Plan Area, identifies the geographic region
- NXX (300) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)