Canadial Know Who Called
← Area code 310

310-421 phone numbers

Numbers 310-421-0000 to 310-421-9999 are assigned to T-Mobile USA, Inc. (rate centre REDONDO, CA, NANPA abbreviation). 7 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 310-421

  1. 1 (310) 421-2896 34complaints
  2. 2 (310) 421-9667 23complaints
  3. 3 (310) 421-9456 5complaints
  4. 4 (310) 421-0574 3complaints
  5. 5 (310) 421-1404 3complaints
  6. 6 (310) 421-2917 3complaints
  7. 7 (310) 421-0312 2complaints
  8. 8 (310) 421-0529 2complaints
  9. 9 (310) 421-0634 2complaints
  10. 10 (310) 421-1071 2complaints
  11. 11 (310) 421-1098 2complaints
  12. 12 (310) 421-1209 2complaints
  13. 13 (310) 421-2832 2complaints
  14. 14 (310) 421-9030 2complaints
  15. 15 (310) 421-9367 2complaints
  16. 16 (310) 421-9490 2complaints
  17. 17 (310) 421-9688 2complaints
  18. 18 (310) 421-9741 2complaints
  19. 19 (310) 421-9835 2complaints
  20. 20 (310) 421-9866 2complaints
  21. 21 (310) 421-0079 1complaints
  22. 22 (310) 421-0182 1complaints
  23. 23 (310) 421-0246 1complaints
  24. 24 (310) 421-0310 1complaints
  25. 25 (310) 421-0389 1complaints
  26. 26 (310) 421-0406 1complaints
  27. 27 (310) 421-0461 1complaints
  28. 28 (310) 421-0598 1complaints
  29. 29 (310) 421-0829 1complaints
  30. 30 (310) 421-0946 1complaints
  31. 31 (310) 421-1042 1complaints
  32. 32 (310) 421-1131 1complaints
  33. 33 (310) 421-1183 1complaints
  34. 34 (310) 421-1243 1complaints
  35. 35 (310) 421-1326 1complaints
  36. 36 (310) 421-1450 1complaints
  37. 37 (310) 421-1497 1complaints
  38. 38 (310) 421-1505 1complaints
  39. 39 (310) 421-1549 1complaints
  40. 40 (310) 421-1555 1complaints
  41. 41 (310) 421-1585 1complaints
  42. 42 (310) 421-1599 1complaints
  43. 43 (310) 421-1827 1complaints
  44. 44 (310) 421-1896 1complaints
  45. 45 (310) 421-1945 1complaints
  46. 46 (310) 421-1973 1complaints
  47. 47 (310) 421-2067 1complaints
  48. 48 (310) 421-2177 1complaints
  49. 49 (310) 421-2233 1complaints
  50. 50 (310) 421-2312 1complaints

Showing the 50 most-reported.