Phone Prefix
(301) 603-XXXX
MD • WSNGTNZN11
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Carrier Information
NANPA
State
MD
Region
MA
Rate Center
WSNGTNZN11
Assigned To
VERIZON MARYLAND, INC.
OCN
9212
Status
RT
Number Range
First Number
(301) 603-0000
Last Number
(301) 603-9999
This prefix contains 10,000 possible phone numbers
Spam Reports
27 reports
27
Total FCC + FTC DNC complaints for numbers in this prefix
Top 24 Most Reported Numbers
| # | Phone Number | Reports |
|---|---|---|
| 1 | (301) 603-3146 3016033146 | 2 |
| 2 | (301) 603-3864 3016033864 | 2 |
| 3 | (301) 603-0840 3016030840 | 1 |
| 4 | (301) 603-1315 3016031315 | 1 |
| 5 | (301) 603-1515 3016031515 | 1 |
| 6 | (301) 603-1807 3016031807 | 1 |
| 7 | (301) 603-1988 3016031988 | 1 |
| 8 | (301) 603-2731 3016032731 | 1 |
| 9 | (301) 603-2906 3016032906 | 1 |
| 10 | (301) 603-2968 3016032968 | 1 |
| 11 | (301) 603-3171 3016033171 | 1 |
| 12 | (301) 603-3572 3016033572 | 1 |
| 13 | (301) 603-3972 3016033972 | 1 |
| 14 | (301) 603-4305 3016034305 | 1 |
| 15 | (301) 603-4369 3016034369 | 1 |
| 16 | (301) 603-4652 3016034652 | 1 |
| 17 | (301) 603-6233 3016036233 | 1 |
| 18 | (301) 603-6279 3016036279 | 1 |
| 19 | (301) 603-6958 3016036958 | 1 |
| 20 | (301) 603-7523 3016037523 | 1 |
| 21 | (301) 603-7835 3016037835 | 1 |
| 22 | (301) 603-0200 3016030200 | 1 |
| 23 | (301) 603-9587 3016039587 | 1 |
| 24 | (301) 603-0346 3016030346 | 1 |
About This Prefix
Phone numbers starting with (301) 603 are part of the North American Numbering Plan (NANP). The first three digits (301) represent the Area Code (NPA), and the next three digits (603) represent the Central Office Code (NXX) or exchange.
- NPA (301) - Numbering Plan Area, identifies the geographic region
- NXX (603) - Central Office Code, identifies the specific exchange
- XXXX - Subscriber number (0000-9999)