Maryland Phone Prefixes in 240-6XX Area Code

Phone Prefixes in the 240-6XX Area Code

Prefix Usage Primary City
(240) 605 Wireless Beltsville
(240) 667 Landline Mount Rainier
(240) 614 Wireless Rockville
(240) 613 Landline Hyattsville
(240) 652 Landline Mechanicsville
(240) 684 Landline Greenbelt
(240) 615 Wireless Hyattsville
(240) 645 Landline Chevy Chase
(240) 691 Landline Mount Rainier
(240) 670 Landline Mount Rainier
(240) 632 Landline Gaithersburg
(240) 646 Landline Laurel
(240) 694 Landline Rockville
(240) 676 Wireless Silver Spring
(240) 672 Landline Rockville
(240) 640 Wireless Waldorf
(240) 604 Wireless Beltsville
(240) 631 Landline Gaithersburg
(240) 621 Landline Kensington
(240) 668 Landline Damascus
(240) 606 Wireless Beltsville
(240) 608 Wireless Frederick
(240) 687 Wireless Silver Spring
(240) 654 Wireless Gaithersburg
(240) 626 Wireless Frederick
(240) 616 Landline College Park
(240) 669 Landline Kensington
(240) 675 Wireless Myersville
(240) 612 Landline Mount Rainier
Prefix Usage Primary City
(240) 650 Landline Cabin John
(240) 643 Wireless Silver Spring
(240) 607 Landline Waldorf
(240) 699 Landline Adamstown
(240) 696 Landline Hyattsville
(240) 644 Landline Chevy Chase
(240) 671 Wireless Mount Rainier
(240) 620 Landline Rockville
(240) 617 Unknown
(240) 695 Landline Temple Hills
(240) 662 Landline Silver Spring
(240) 674 Wireless Frederick
(240) 686 Landline Gaithersburg
(240) 651 Wireless Frederick
(240) 682 Landline Waldorf
(240) 625 Wireless Hagerstown
(240) 624 Landline Greenbelt
(240) 630 Landline Mount Rainier
(240) 603 Wireless Beltsville
(240) 627 Landline Mount Rainier
(240) 629 Landline Frederick
(240) 683 Landline Gaithersburg
(240) 600 Wireless Mount Rainier
(240) 688 Wireless Silver Spring
(240) 678 Wireless Silver Spring
(240) 619 Landline Chevy Chase
(240) 601 Wireless Beltsville
(240) 602 Wireless Beltsville
(240) 638 Landline Mount Rainier
(240) 685 Landline Brandywine

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