往美国各地拨打电话的国际区号是多少？

500 Personal Communication Services

501 Arkansas

502 Kentucky

503 Oregon

504 Louisiana

505 New Mexico

506 New Brunswick

507 Minnesota

508 Massachusetts

509 Washington

510 California

511 Not Available

512 Texas

513 Ohio

514 Quebec

515 Iowa

516 New York

517 Michigan

518 New York

519 Ontario

520 Arizona

521 Mexico Roaming-Temp

522 Future PCS

523 Mexico Roaming-Temp

524 Mexico Roaming-Temp

525 Mexico Roaming-Temp

526 Mexico Roaming-Temp

527 Mexico Roaming-Temp

528 Mexico Roaming-Temp

529 Mexico Roaming-Temp

530 California

531 Geographic Relief Code

532 Geographic Relief Code

533 Future PCS

534 General Purpose Code

535 Geographic Relief Code

536 Geographic Relief Code

537 General Purpose Code

538 Geographic Relief Code

539 Geographic Relief Code

540 Virginia

541 Oregon

542 Geographic Relief Code

543 General Purpose Code

544 Future PCS

545 Geographic Relief Code

546 General Purpose Code

547 Geographic Relief Code

548 General Purpose Code

549 General Purpose Code

550 Geographic Relief Code

551 Geographic Relief Code

552 Geographic Relief Code

553 Geographic Relief Code

554 Geographic Relief Code

555 Not Available

556 Geographic Relief Code

557 Geographic Relief Code

558 Geographic Relief Code

559 California

560 Geographic Relief Code

561 Florida

562 California

563 Geographic Relief Code

564 General Purpose Code

565 Geographic Relief Code

566 Future PCS

567 Geographic Relief Code

568 General Purpose Code

569 General Purpose Code

570 Pennsylvania

571 Virginia

572 Geographic Relief Code

573 Missouri

574 Geographic Relief Code

575 General Purpose Code

576 General Purpose Code

577 Future PCS

578 Geographic Relief Code

579 Geographic Relief Code

580 Oklahoma

581 General Purpose Code

582 General Purpose Code

583 Geographic Relief Code

584 Geographic Relief Code

585 Geographic Relief Code

586 Michigan

587 Geographic Relief Code

588 Future PCS

589 Geographic Relief Code

590 扩展码

591 扩展码

592 扩展码

593 扩展码

594 扩展码

595 扩展码

596 扩展码

597 扩展码

598 扩展码

599 扩展码

600 Canada (Services)

601 Mississippi

602 Arizona

603 New Hampshire

604 British Columbia

605 South Dakota

606 Kentucky

607 New York

608 Wisconsin

609 New Jersey

610 Pennsylvania

611 Repair Service

612 Minnesota

613 Ontario

614 Ohio

615 Tennessee

616 Michigan

617 Massachusetts

618 Illinois

619 California

620 Geographic Relief Code

621 Geographic Relief Code

622 易识码（特服号）

623 Arizona

624 Geographic Relief Code

625 General Purpose Code

626 California

627 General Purpose Code

628 California

629 General Purpose Code

630 Illinois

631 New York

632 General Purpose Code

633 易识码（特服号）

634 General Purpose Code

635 General Purpose Code

636 Missouri

637 Geographic Relief Code

638 General Purpose Code

639 General Purpose Code

640 Geographic Relief Code

641 Geographic Relief Code

642 Geographic Relief Code

643 General Purpose Code

644 易识码（特服号）

645 General Purpose Code

646 New York

647 Ontario

648 Geographic Relief Code

649 Turks & Caicos Islands

650 California

651 Minnesota

652 General Purpose Code

653 General Purpose Code