Phone Prefix
(301) 557-XXXX
MD • WSHNGTNZN3
Search Number in This Prefix
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSHNGTNZN3
Assigned To
NEW CINGULAR WIRELESS PCS, LLC - DC
OCN
4036
Status
AS
Date Assigned
Sep 02, 2014
Number Range
First Number
(301) 557-0000
Last Number
(301) 557-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
26 reports
26
Total FCC + FTC DNC complaints for numbers in this prefix
Top 25 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 557-5550 3015575550 | 2 |
| 2 | (301) 557-2487 3015572487 | 1 |
| 3 | (301) 557-2671 3015572671 | 1 |
| 4 | (301) 557-3717 3015573717 | 1 |
| 5 | (301) 557-3970 3015573970 | 1 |
| 6 | (301) 557-4276 3015574276 | 1 |
| 7 | (301) 557-6715 3015576715 | 1 |
| 8 | (301) 557-6959 3015576959 | 1 |
| 9 | (301) 557-7243 3015577243 | 1 |
| 10 | (301) 557-7554 3015577554 | 1 |
| 11 | (301) 557-7839 3015577839 | 1 |
| 12 | (301) 557-8197 3015578197 | 1 |
| 13 | (301) 557-8706 3015578706 | 1 |
| 14 | (301) 557-8960 3015578960 | 1 |
| 15 | (301) 557-9055 3015579055 | 1 |
| 16 | (301) 557-9122 3015579122 | 1 |
| 17 | (301) 557-9352 3015579352 | 1 |
| 18 | (301) 557-9431 3015579431 | 1 |
| 19 | (301) 557-9432 3015579432 | 1 |
| 20 | (301) 557-9476 3015579476 | 1 |
| 21 | (301) 557-9529 3015579529 | 1 |
| 22 | (301) 557-9537 3015579537 | 1 |
| 23 | (301) 557-9657 3015579657 | 1 |
| 24 | (301) 557-2475 3015572475 | 1 |
| 25 | (301) 557-9964 3015579964 | 1 |
About This Prefix
Phone numbers starting with (301) 557 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (557) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (557) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)