Maryland Phone Prefixes in 240-4XX Area Code
Phone Prefixes in the 240-4XX Area Code
| Prefix | Usage | Primary City |
|---|---|---|
| (240) 481 | Wireless | Silver Spring |
| (240) 495 | Wireless | Mount Rainier |
| (240) 419 | Wireless | Waldorf |
| (240) 467 | Landline | Oxon Hill |
| (240) 454 | Wireless | Gaithersburg |
| (240) 459 | Wireless | Laurel |
| (240) 462 | Wireless | Beltsville |
| (240) 480 | Wireless | Bethesda |
| (240) 473 | Landline | College Park |
| (240) 498 | Wireless | Beltsville |
| (240) 440 | Wireless | Frederick |
| (240) 479 | Wireless | Oxon Hill |
| (240) 470 | Wireless | Laurel |
| (240) 450 | Landline | Silver Spring |
| (240) 461 | Wireless | Silver Spring |
| (240) 458 | Wireless | Waldorf |
| (240) 453 | Landline | Rockville |
| (240) 468 | Wireless | Mount Rainier |
| (240) 432 | Wireless | Beltsville |
| (240) 441 | Wireless | Oxon Hill |
| (240) 483 | Landline | Oxon Hill |
| (240) 433 | Landline | Silver Spring |
| (240) 487 | Landline | Hyattsville |
| (240) 497 | Landline | Chevy Chase |
| (240) 408 | Wireless | Rockville |
| (240) 402 | Landline | College Park |
| (240) 416 | Wireless | Waldorf |
| (240) 425 | Landline | Cabin John |
| (240) 446 | Wireless | Frederick |
| (240) 476 | Wireless | Silver Spring |
| (240) 426 | Wireless | Bethesda |
| (240) 424 | Wireless | Mount Rainier |
| (240) 466 | Wireless | Mechanicsville |
| (240) 477 | Landline | Gaithersburg |
| (240) 438 | Wireless | Silver Spring |
| (240) 447 | Wireless | Rockville |
| (240) 493 | Landline | Oxon Hill |
| (240) 420 | Landline | Hagerstown |
| (240) 405 | Landline | Frederick |
| (240) 485 | Landline | Cabin John |
| (240) 439 | Wireless | Frederick |
| (240) 434 | Landline | Leonardtown |
| (240) 471 | Landline | Silver Spring |
| (240) 423 | Wireless | Silver Spring |
| (240) 404 | Landline | Gaithersburg |
| (240) 464 | Landline | Chevy Chase |
| Prefix | Usage | Primary City |
|---|---|---|
| (240) 436 | Landline | Ijamsville |
| (240) 486 | Wireless | Glenn Dale |
| (240) 489 | Landline | Poolesville |
| (240) 401 | Wireless | Rockville |
| (240) 414 | Landline | Mount Rainier |
| (240) 417 | Wireless | Capitol Heights |
| (240) 465 | Landline | Mount Rainier |
| (240) 435 | Wireless | Waldorf |
| (240) 456 | Landline | Laurel |
| (240) 431 | Wireless | Tall Timbers |
| (240) 457 | Wireless | Frederick |
| (240) 415 | Landline | Frederick |
| (240) 444 | Wireless | Laurel |
| (240) 449 | Wireless | Gaithersburg |
| (240) 406 | Wireless | Rockville |
| (240) 428 | Landline | Rockville |
| (240) 494 | Landline | Mount Rainier |
| (240) 442 | Landline | Oakland |
| (240) 403 | Landline | Rockville |
| (240) 488 | Landline | Oakland |
| (240) 490 | Wireless | Middletown |
| (240) 413 | Wireless | Hyattsville |
| (240) 427 | Landline | Waldorf |
| (240) 475 | Wireless | Silver Spring |
| (240) 492 | Landline | Capitol Heights |
| (240) 469 | Wireless | Hagerstown |
| (240) 455 | Landline | Oxon Hill |
| (240) 409 | Wireless | Frederick |
| (240) 491 | Landline | Mount Rainier |
| (240) 499 | Landline | Cabin John |
| (240) 437 | Landline | Sandy Spring |
| (240) 400 | Wireless | Bethesda |
| (240) 407 | Landline | Mount Rainier |
| (240) 478 | Wireless | Cabin John |
| (240) 421 | Wireless | Rockville |
| (240) 482 | Landline | Cabin John |
| (240) 460 | Wireless | Silver Spring |
| (240) 430 | Landline | Kensington |
| (240) 472 | Wireless | Silver Spring |
| (240) 452 | Landline | Hagerstown |
| (240) 448 | Wireless | Waldorf |
| (240) 418 | Wireless | Beltsville |
| (240) 463 | Wireless | Silver Spring |
| (240) 429 | Wireless | Silver Spring |
| (240) 412 | Wireless | Waldorf |
| (240) 422 | Wireless | Frederick |
| (240) 445 | Wireless | Bethesda |
More 2XX Area Codes Phone Numbers
