Phone Prefix
(301) 531-XXXX
MD • WSHNGTNZN4
Search Number in This Prefix
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSHNGTNZN4
Assigned To
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC
OCN
6855
Status
AS
Date Assigned
Feb 24, 2012
Number Range
First Number
(301) 531-0000
Last Number
(301) 531-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 26 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 531-4830 3015314830 | 2 |
| 2 | (301) 531-1252 3015311252 | 1 |
| 3 | (301) 531-1491 3015311491 | 1 |
| 4 | (301) 531-1600 3015311600 | 1 |
| 5 | (301) 531-1652 3015311652 | 1 |
| 6 | (301) 531-2060 3015312060 | 1 |
| 7 | (301) 531-2515 3015312515 | 1 |
| 8 | (301) 531-2919 3015312919 | 1 |
| 9 | (301) 531-3979 3015313979 | 1 |
| 10 | (301) 531-4125 3015314125 | 1 |
| 11 | (301) 531-4798 3015314798 | 1 |
| 12 | (301) 531-5085 3015315085 | 1 |
| 13 | (301) 531-5315 3015315315 | 1 |
| 14 | (301) 531-5380 3015315380 | 1 |
| 15 | (301) 531-5732 3015315732 | 1 |
| 16 | (301) 531-5746 3015315746 | 1 |
| 17 | (301) 531-6201 3015316201 | 1 |
| 18 | (301) 531-6299 3015316299 | 1 |
| 19 | (301) 531-6956 3015316956 | 1 |
| 20 | (301) 531-7864 3015317864 | 1 |
| 21 | (301) 531-7871 3015317871 | 1 |
| 22 | (301) 531-8322 3015318322 | 1 |
| 23 | (301) 531-8700 3015318700 | 1 |
| 24 | (301) 531-9126 3015319126 | 1 |
| 25 | (301) 531-1179 3015311179 | 1 |
| 26 | (301) 531-9268 3015319268 | 1 |
About This Prefix
Phone numbers starting with (301) 531 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (531) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (531) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)