(assigned, not assigned, special, etc.)
The "North American Numbering Plan" has a myriad of area and special codes. This page covers all "possible" codes and other codes in the 400-499 range along with their status.
Important note: The status of area and other codes is constantly changing. This is the latest information we have.
codes in the 200-299 range
codes in the 300-399 range
codes in the 400-599 range - THIS PAGE
codes in the 500-599 range
codes in the 600-699 range
codes in the 700-799 range
codes in the 800-899 range
codes in the 900-999 range
Code |
Description |
400 | (reserved - easily recognizable number) |
401 | Rhode Island |
402 | Nebraska |
403 | Alberta |
404 | Georgia |
405 | Oklahoma |
406 | Montana |
407 | Florida |
408 | California |
409 | Texas |
410 | Maryland |
411 | (local directory assistance - dial 3 digits) |
412 | Pennsylvania |
413 | Massachusetts |
414 | Wisconsin |
415 | California |
416 | Ontario |
417 | Missouri |
418 | Quebec |
419 | Ohio |
420 | Arizona |
421 | (not assigned) |
422 | (reserved - easily recognizable number) |
423 | Tennessee |
424 | California |
425 | Washington |
426 | (not assigned) |
427 | (not assigned) |
428 | New Brunswick |
429 | (not assigned) |
430 | Texas |
431 | Manitoba |
432 | Texas |
433 | (reserved - easily recognizable number) |
434 | Virginia |
435 | Utah |
436 | Ohio |
437 | Ontario |
438 | Quebec |
439 | (not assigned) |
440 | Ohio |
441 | Bermuda |
442 | California |
443 | Maryland |
444 | (reserved - easily recognizable number) |
445 | Pennsylvania |
446 | (not assigned) |
447 | (Illinois) |
448 | Florida |
449 | (not assigned) |
450 | Quebec |
451 | (not assigned) |
452 | (not assigned) |
453 | (not assigned) |
454 | (not assigned) |
455 | (reserved - easily recognizable number) |
456 | (not assigned) |
457 | Louisiana |
458 | Oregon |
459 | (not assigned) |
460 | (reserved for Ontario) |
461 | (not assigned) |
462 | (not assigned) |
463 | Indiana |
464 | Illinois |
465 | (not assigned) |
466 | (reserved - easily recognizable number) |
467 | (not assigned) |
468 | Quebec |
469 | Texas |
470 | Georgia |
471 | (not assigned) |
472 | North Carolina |
473 | Grenada |
474 | Saskatchewan |
475 | Connecticut |
476 | (not assigned) |
477 | (reserved - easily recognizable number) |
478 | Georgia |
479 | Arkansas |
480 | Arizona |
481 | (not assigned) |
482 | (not assigned) |
483 | (not assigned) |
484 | Pennsylvania |
485 | (not assigned) |
486 | (not assigned) |
487 | (reserved for Canada) |
488 | (reserved - easily recognizable number) |
489 | (not assigned) |
490 | (reserved for possible numbering expansion in the future) |
491 | (reserved for possible numbering expansion in the future) |
492 | (reserved for possible numbering expansion in the future) |
493 | (reserved for possible numbering expansion in the future) |
494 | (reserved for possible numbering expansion in the future) |
495 | (reserved for possible numbering expansion in the future) |
496 | (reserved for possible numbering expansion in the future) |
497 | (reserved for possible numbering expansion in the future) |
498 | (reserved for possible numbering expansion in the future) |
499 | (reserved for possible numbering expansion in the future) |
codes in the 200-299 range
codes in the 300-399 range
codes in the 400-499 range - THIS PAGE
codes in the 500-599 range
codes in the 600-699 range
codes in the 700-799 range
codes in the 800-899 range
codes in the 900-999 range