Phone Prefix
(301) 550-XXXX
MD • WSNGTNZN10
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSNGTNZN10
Assigned To
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
OCN
6395
Status
AS
Date Assigned
Aug 05, 2022
Number Range
First Number
(301) 550-0000
Last Number
(301) 550-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
13 reports
13
Total FCC + FTC DNC complaints for numbers in this prefix
Top 13 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 550-0522 3015500522 | 1 |
| 2 | (301) 550-1383 3015501383 | 1 |
| 3 | (301) 550-1590 3015501590 | 1 |
| 4 | (301) 550-2107 3015502107 | 1 |
| 5 | (301) 550-2326 3015502326 | 1 |
| 6 | (301) 550-2519 3015502519 | 1 |
| 7 | (301) 550-2531 3015502531 | 1 |
| 8 | (301) 550-2561 3015502561 | 1 |
| 9 | (301) 550-2593 3015502593 | 1 |
| 10 | (301) 550-2610 3015502610 | 1 |
| 11 | (301) 550-2760 3015502760 | 1 |
| 12 | (301) 550-2890 3015502890 | 1 |
| 13 | (301) 550-2904 3015502904 | 1 |
About This Prefix
Phone numbers starting with (301) 550 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (550) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (550) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)