Illinois Phone Prefixes in 815-4XX Area Code

Phone Prefixes in the 815-4XX Area Code

Prefix Usage Primary City
(815) 456 Landline Franklin Grove
(815) 485 Landline New Lenox
(815) 496 Landline Sheridan
(815) 455 Landline Crystal Lake
(815) 495 Landline Leland
(815) 424 Landline Elwood
(815) 491 Wireless Rockford
(815) 478 Landline Manhattan
(815) 480 Wireless Rockford
(815) 439 Landline Plainfield
(815) 488 Wireless La Grange Park
(815) 420 Landline Malta
(815) 472 Landline Momence
(815) 461 Landline Lockport
(815) 445 Landline Sheffield
(815) 448 Landline Mazon
(815) 423 Landline Elwood
(815) 434 Landline Ottawa
(815) 492 Landline Apple River
(815) 499 Wireless Sterling
(815) 476 Landline Wilmington
(815) 405 Wireless Joliet
(815) 435 Landline Beaverville
(815) 459 Landline Crystal Lake
(815) 471 Wireless Watseka
(815) 438 Landline Tampico
(815) 414 Wireless Earlville
(815) 452 Landline Toluca
(815) 406 Landline Byron
(815) 428 Landline Martinton
(815) 415 Landline Seneca
(815) 450 Wireless Momence
(815) 444 Landline Crystal Lake
(815) 417 Landline Braidwood
(815) 426 Landline Herscher
(815) 462 Landline New Lenox
(815) 463 Landline New Lenox
(815) 413 Landline Morris
(815) 481 Wireless La Grange Park
(815) 401 Landline Kankakee
(815) 470 Landline Rockford
(815) 410 Landline La Salle
(815) 466 Landline Grant Park
(815) 430 Landline Mchenry
(815) 437 Landline Putnam
(815) 402 Landline Galena
(815) 429 Landline Sheldon
(815) 453 Landline Ashton
(815) 465 Landline Grant Park
Prefix Usage Primary City
(815) 412 Landline Frankfort
(815) 409 Wireless Joliet
(815) 475 Landline Yorkville
(815) 477 Landline Crystal Lake
(815) 442 Landline Tonica
(815) 440 Wireless Dixon
(815) 432 Landline Watseka
(815) 433 Landline Ottawa
(815) 483 Wireless Joliet
(815) 467 Landline Minooka
(815) 436 Landline Plainfield
(815) 451 Wireless Woodstock
(815) 404 Wireless Crystal Lake
(815) 479 Landline Crystal Lake
(815) 416 Landline Morris
(815) 441 Wireless Sterling
(815) 427 Landline St Anne
(815) 490 Landline Rockford
(815) 425 Landline Crystal Lake
(815) 454 Landline Sheffield
(815) 464 Landline Frankfort
(815) 407 Landline Romeoville
(815) 494 Wireless Rockford
(815) 408 Landline Utica
(815) 468 Landline Manteno
(815) 482 Wireless Woodstock
(815) 484 Landline Rockford
(815) 431 Landline Ottawa
(815) 460 Landline Joliet
(815) 418 Landline Manhattan
(815) 486 Landline Donovan
(815) 489 Landline Rockford
(815) 443 Landline Pearl City
(815) 474 Wireless Joliet
(815) 498 Landline Somonauk
(815) 458 Landline Braidwood
(815) 473 Landline Watseka
(815) 421 Landline Herscher
(815) 400 Landline Morrison
(815) 493 Landline Lanark
(815) 487 Landline Plainfield
(815) 446 Landline Oglesby
(815) 419 Landline Pontiac
(815) 469 Landline Frankfort
(815) 422 Landline St Anne
(815) 449 Landline Dakota
(815) 447 Landline Spring Valley
(815) 457 Landline Cissna Park
(815) 497 Landline Compton
(815) 403 Wireless Mchenry

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