400-499

400

433

467

401 Rhode Island

434 Virginia

468

402 Nebraska

435 Utah

469 Texas

403 Alberta

436

470 Georgia

404 Georgia

437 Ontario

471

405 Oklahoma

438 Quebec

472

406 Montana

439 Tennessee

473 Grenada & Carriacou

407 Florida

440 Ohio

474 Saskachewan

408 California

441 Bermuda

475 Connecticut  

409 Texas

442 California

476

410 Maryland

443 Maryland

477

411 Directory Assistance

444

478 Georgia

412 Pennsylvania

445 Pennsylvania

479 Arkansas

413 Massachusetts

446 Texas

480 Arizona

414 Wisconsin

447 Illinois

481 Kentucky

415 California

448 Florida

482 California

416 Ontario

449 Texas

483 Alabama

417 Missouri

450 Quebec

484 Pennsylvania

418 Quebec

451

485

419 Ohio

452

486 California

420 Hawaii

453

487

421 Florida

454

488

422

455

489

423 Tennessee

456 Switched 56K

490

424 California

457

491

425 Washington

458 Oregon

492

426 Georgia

459 New Jersey

493

427

460 Manitoba

494

428

461 California

495

429 North Carolina

462

496

430 Texas

463 Indiana

497

431 New York

464 Illinois

498

432 Texas

465 New Jersey

499

466

Code active and in
mandatory use

Code in
permissive dialing

Code assigned,
but not active

Unassigned
"easy-to-recognize"

Code unassignable
due to conflict

Reserved for NANP
digit-length expansion

Geographic Relief Code
(If State Designated,
SUBJECT TO CHANGE)

General Purpose Code
(If State Designated,
SUBJECT TO CHANGE)

Data current to 01/03/08.
Please e-mail any additions, corrections or clarifications
to the contact addresses on the main page.
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