Reverse Phone Lookup in Area Code : 815 - Illinois

Prefixes in Area Code : 815 - Illinois

More information about Area Code 815 and List of 783 Prefixes

Area Code 815 is located in the state of Illinois.

The Illinois`s major city is Rockford

The state of Illinois is in Central timezone.

More important cities in Illinois:

Belvidere, IL; Crystal Lake, IL; De Kalb, IL; Freeport, IL; Joliet, IL; Kankakee, IL; Loves Park, IL; Machesney Park, IL; Mchenry, IL; Rockford, IL; Romeoville, IL; Woodstock, IL;

Prefixes within the 815 Area Code what we have in our database.

Prefix Primary City County Usage
(815) 503 Mendota, IL La Salle Cell Number
(815) 504 Gardner, IL Grundy Landline
(815) 505 Rockford, IL Winnebago Cell Number
(815) 506 Union, IL Mchenry Landline
(815) 507 Momence, IL Kankakee Landline
(815) 508 Dekalb, IL Dekalb Cell Number
(815) 509 Rockford, IL Winnebago Cell Number
(815) 510 Streator, IL Will Cell Number
(815) 512 Lockport, IL Will Landline
(815) 513 Morris, IL Grundy Landline
(815) 514 Joliet, IL Will Cell Number
(815) 515 Watseka, IL Iroquois Landline
(815) 516 Rockford, IL Winnebago Landline
(815) 517 Dekalb, IL Dekalb Landline
(815) 518 Coal City, IL Grundy Landline
(815) 519 Rockford, IL Winnebago Cell Number
(815) 520 Rockford, IL Winnebago Cell Number
(815) 521 Minooka, IL Grundy Landline
(815) 522 Kirkland, IL Dekalb Landline
(815) 523 Kankakee, IL Kankakee Landline
(815) 524 Lockport, IL Will Landline
(815) 525 Beloit, IL Winnebago Landline
(815) 526 Crystal Lake, IL Mchenry Landline
(815) 527 Woodstock, IL Mchenry Landline
(815) 528 Mchenry, IL Mchenry Landline
(815) 529 Woodstock, IL Mchenry Cell Number
(815) 530 Joliet, IL Will Landline
(815) 531 Joliet, IL Will Landline
(815) 532 Morris, IL Grundy Cell Number
(815) 533 La Grange Park, IL Cook Cell Number
(815) 534 Frankfort, IL Will Landline
(815) 535 Sterling, IL Whiteside Landline
(815) 536 La Grange Park, IL Cook Cell Number
(815) 537 Prophetstown, IL Whiteside Landline
(815) 538 Mendota, IL La Salle Landline
(815) 539 Mendota, IL La Salle Landline
(815) 540 Rockford, IL Winnebago Cell Number
(815) 541 Freeport, IL Stephenson Cell Number
(815) 542 Tampico, IL Whiteside Landline
(815) 543 Rockford, IL Winnebago Cell Number
(815) 544 Belvidere, IL Boone Landline
(815) 545 Joliet, IL Will Cell Number
(815) 546 Joliet, IL Will Cell Number
(815) 547 Belvidere, IL Boone Landline
(815) 548 Sterling, IL Whiteside Landline
(815) 549 Kankakee, IL Kankakee Cell Number
(815) 550 Grant Park, IL Kankakee Landline
(815) 551 Savanna, IL Carroll Landline
(815) 552 Lockport, IL Will Landline
(815) 553 Joliet, IL Will Landline
(815) 554 East Dubuque, IL Jo Daviess Landline
(815) 556 Plainfield, IL Will Landline
(815) 557 Joliet, IL Will Cell Number
(815) 558 Rockford, IL Winnebago Cell Number
(815) 559 Fulton, IL Whiteside Landline
(815) 560 Harvard, IL Mchenry Landline
(815) 561 Rochelle, IL Ogle Landline
(815) 562 Rochelle, IL Ogle Landline
(815) 563 Dakota, IL Stephenson Landline
(815) 564 Sterling, IL Whiteside Landline
(815) 565 Morrison, IL Whiteside Landline
(815) 566 Belvidere, IL Boone Landline
(815) 567 Emington, IL Livingston Landline
(815) 568 Marengo, IL Mchenry Landline
(815) 569 Capron, IL Boone Landline
(815) 570 Sandwich, IL Dekalb Landline
(815) 571 Shannon, IL Not filled Unknown
(815) 572 Marengo, IL Mchenry Landline
(815) 573 Kankakee, IL Kankakee Landline
(815) 574 Harmon, IL Lee Landline
(815) 575 Woodstock, IL Mchenry Cell Number
(815) 576 Polo, IL Ogle Landline
(815) 577 Plainfield, IL Will Landline
(815) 578 Mchenry, IL Mchenry Landline
(815) 579 La Salle, IL La Salle Cell Number
(815) 580 Rockford, IL Winnebago Landline
(815) 581 Spring Grove, IL Mchenry Landline
(815) 582 Joliet, IL Will Cell Number
(815) 583 Morrison, IL Whiteside Landline
(815) 584 Dwight, IL Livingston Landline
(815) 585 Morris, IL Grundy Landline
(815) 586 Ransom, IL La Salle Landline
(815) 587 Ottawa, IL La Salle Landline
(815) 588 Lockport, IL Will Landline
(815) 589 Fulton, IL Whiteside Landline
(815) 590 Sterling, IL Whiteside Cell Number
(815) 591 Hanover, IL Jo Daviess Landline
(815) 592 Kankakee, IL Kankakee Cell Number
(815) 593 Dekalb, IL Dekalb Landline
(815) 594 Apple River, IL Jo Daviess Landline
(815) 595 Oregon, IL Ogle Landline
(815) 596 Marengo, IL Not filled Unknown
(815) 597 Garden Prairie, IL Boone Landline
(815) 598 Elizabeth, IL Jo Daviess Landline
(815) 599 Freeport, IL Stephenson Landline
(815) 600 Joliet, IL Will Landline
(815) 601 Rockford, IL Winnebago Landline
(815) 602 Kankakee, IL Kankakee Landline
(815) 603 Kankakee, IL Kankakee Cell Number
(815) 604 Dixon, IL Lee Landline

We have 783 Prefixes in our database.