Phone Prefix
(301) 278-XXXX
MD • WSHNGTNZN5
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSHNGTNZN5
Assigned To
QUANTUM TELECOMMUNICATIONS, INC. - MD
OCN
2596
Status
AS
Date Assigned
Oct 23, 2003
Number Range
First Number
(301) 278-0000
Last Number
(301) 278-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
29 reports
29
Total FCC + FTC DNC complaints for numbers in this prefix
Top 28 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 278-7158 3012787158 | 2 |
| 2 | (301) 278-0614 3012780614 | 1 |
| 3 | (301) 278-2774 3012782774 | 1 |
| 4 | (301) 278-3034 3012783034 | 1 |
| 5 | (301) 278-3124 3012783124 | 1 |
| 6 | (301) 278-3125 3012783125 | 1 |
| 7 | (301) 278-3569 3012783569 | 1 |
| 8 | (301) 278-4379 3012784379 | 1 |
| 9 | (301) 278-4521 3012784521 | 1 |
| 10 | (301) 278-4855 3012784855 | 1 |
| 11 | (301) 278-5171 3012785171 | 1 |
| 12 | (301) 278-5410 3012785410 | 1 |
| 13 | (301) 278-5745 3012785745 | 1 |
| 14 | (301) 278-6036 3012786036 | 1 |
| 15 | (301) 278-6809 3012786809 | 1 |
| 16 | (301) 278-7210 3012787210 | 1 |
| 17 | (301) 278-8035 3012788035 | 1 |
| 18 | (301) 278-8172 3012788172 | 1 |
| 19 | (301) 278-8206 3012788206 | 1 |
| 20 | (301) 278-8374 3012788374 | 1 |
| 21 | (301) 278-8657 3012788657 | 1 |
| 22 | (301) 278-8896 3012788896 | 1 |
| 23 | (301) 278-9032 3012789032 | 1 |
| 24 | (301) 278-9241 3012789241 | 1 |
| 25 | (301) 278-9416 3012789416 | 1 |
| 26 | (301) 278-9434 3012789434 | 1 |
| 27 | (301) 278-0575 3012780575 | 1 |
| 28 | (301) 278-9808 3012789808 | 1 |
About This Prefix
Phone numbers starting with (301) 278 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (278) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (278) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)