Canadial Know Who Called
← Area code 203

203-404 phone numbers

Numbers 203-404-0000 to 203-404-9999 are assigned to Level 3 Communications, LLC in New Haven, CT. 3 of its ten thousand-number blocks are assigned to other carriers (number pooling).

Source: North American Numbering Plan Administrator, Nov 3, 2026. Numbers can move between carriers.

Reported numbers in 203-404

  1. 1 (203) 404-6686 10complaints
  2. 2 (203) 404-4350 3complaints
  3. 3 (203) 404-9125 3complaints
  4. 4 (203) 404-1241 2complaints
  5. 5 (203) 404-1686 2complaints
  6. 6 (203) 404-3281 2complaints
  7. 7 (203) 404-3802 2complaints
  8. 8 (203) 404-4007 2complaints
  9. 9 (203) 404-4026 2complaints
  10. 10 (203) 404-4129 2complaints
  11. 11 (203) 404-5700 2complaints
  12. 12 (203) 404-7028 2complaints
  13. 13 (203) 404-8053 2complaints
  14. 14 (203) 404-9111 2complaints
  15. 15 (203) 404-9214 2complaints
  16. 16 (203) 404-9439 2complaints
  17. 17 (203) 404-9519 2complaints
  18. 18 (203) 404-0302 1complaints
  19. 19 (203) 404-0464 1complaints
  20. 20 (203) 404-0500 1complaints
  21. 21 (203) 404-0527 1complaints
  22. 22 (203) 404-0580 1complaints
  23. 23 (203) 404-0826 1complaints
  24. 24 (203) 404-1008 1complaints
  25. 25 (203) 404-1105 1complaints
  26. 26 (203) 404-1237 1complaints
  27. 27 (203) 404-1780 1complaints
  28. 28 (203) 404-1879 1complaints
  29. 29 (203) 404-1969 1complaints
  30. 30 (203) 404-1976 1complaints
  31. 31 (203) 404-2721 1complaints
  32. 32 (203) 404-3134 1complaints
  33. 33 (203) 404-3136 1complaints
  34. 34 (203) 404-3263 1complaints
  35. 35 (203) 404-3359 1complaints
  36. 36 (203) 404-3382 1complaints
  37. 37 (203) 404-3412 1complaints
  38. 38 (203) 404-3437 1complaints
  39. 39 (203) 404-3447 1complaints
  40. 40 (203) 404-3493 1complaints
  41. 41 (203) 404-3518 1complaints
  42. 42 (203) 404-3571 1complaints
  43. 43 (203) 404-3583 1complaints
  44. 44 (203) 404-3794 1complaints
  45. 45 (203) 404-4110 1complaints
  46. 46 (203) 404-4144 1complaints
  47. 47 (203) 404-4341 1complaints
  48. 48 (203) 404-4395 1complaints
  49. 49 (203) 404-4665 1complaints
  50. 50 (203) 404-4679 1complaints

Showing the 50 most-reported.