← Area code 301
301-423 phone numbers
Numbers 301-423-0000 to 301-423-9999 are assigned to Verizon Maryland, Inc. (rate centre WSHNGTNZN5, MD, NANPA abbreviation).
Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.
Reported numbers in 301-423
- 1 (301) 423-7770 2complaints
- 2 (301) 423-9315 2complaints
- 3 (301) 423-0518 1complaints
- 4 (301) 423-1042 1complaints
- 5 (301) 423-1200 1complaints
- 6 (301) 423-1208 1complaints
- 7 (301) 423-1483 1complaints
- 8 (301) 423-1540 1complaints
- 9 (301) 423-1717 1complaints
- 10 (301) 423-1808 1complaints
- 11 (301) 423-1842 1complaints
- 12 (301) 423-2150 1complaints
- 13 (301) 423-2225 1complaints
- 14 (301) 423-2248 1complaints
- 15 (301) 423-2578 1complaints
- 16 (301) 423-3664 1complaints
- 17 (301) 423-4075 1complaints
- 18 (301) 423-4645 1complaints
- 19 (301) 423-5111 1complaints
- 20 (301) 423-5523 1complaints
- 21 (301) 423-5743 1complaints
- 22 (301) 423-5982 1complaints
- 23 (301) 423-6283 1complaints
- 24 (301) 423-6482 1complaints
- 25 (301) 423-7060 1complaints
- 26 (301) 423-8121 1complaints
- 27 (301) 423-8562 1complaints
- 28 (301) 423-9041 1complaints