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) 301 Crystal Lake, IL Mchenry Landline
(815) 302 Joliet, IL Will Cell Number
(815) 303 Princeton, IL Bureau Cell Number
(815) 304 Kankakee, IL Kankakee Landline
(815) 305 Gardner, IL Grundy Landline
(815) 306 Lockport, IL Will Landline
(815) 307 Mchenry, IL Mchenry Landline
(815) 308 Woodstock, IL Mchenry Landline
(815) 309 Shannon, IL Not filled Unknown
(815) 310 Utica, IL La Salle Landline
(815) 312 Rockford, IL Not filled Unknown
(815) 313 Ottawa, IL La Salle Landline
(815) 314 Manhattan, IL Will Landline
(815) 315 Rockford, IL Winnebago Landline
(815) 316 Rockford, IL Winnebago Landline
(815) 317 Crescent City, IL Iroquois Landline
(815) 318 Morris, IL Grundy Landline
(815) 319 Rockford, IL Winnebago Cell Number
(815) 320 Kankakee, IL Kankakee Cell Number
(815) 321 Woodstock, IL Mchenry Landline
(815) 322 Mchenry, IL Mchenry Landline
(815) 323 Belvidere, IL Boone Landline
(815) 324 Ottawa, IL Will Cell Number
(815) 325 Joliet, IL Will Cell Number
(815) 326 Oglesby, IL La Salle Cell Number
(815) 327 Plainfield, IL Will Landline
(815) 328 Lockport, IL Will Landline
(815) 329 La Salle, IL La Salle Cell Number
(815) 330 Crescent City, IL Iroquois Landline
(815) 331 Mchenry, IL Mchenry Landline
(815) 332 Cherry Valley, IL Winnebago Landline
(815) 333 Woodstock, IL Mchenry Landline
(815) 334 Woodstock, IL Mchenry Landline
(815) 335 Winnebago, IL Winnebago Landline
(815) 336 Milledgeville, IL Carroll Landline
(815) 337 Woodstock, IL Mchenry Landline
(815) 338 Woodstock, IL Mchenry Landline
(815) 339 Granville, IL Putnam Landline
(815) 340 La Moille, IL Not filled Unknown
(815) 341 Joliet, IL Will Cell Number
(815) 342 Joliet, IL Will Cell Number
(815) 343 Oglesby, IL La Salle Cell Number
(815) 344 Mchenry, IL Mchenry Landline
(815) 345 Woodstock, IL Mchenry Landline
(815) 346 Gardner, IL Grundy Landline
(815) 347 Woodstock, IL Mchenry Cell Number
(815) 348 Kankakee, IL Will Cell Number
(815) 349 Mchenry, IL Mchenry Landline
(815) 350 Franklin Grove, IL Lee Landline
(815) 351 Kankakee, IL Kankakee Cell Number
(815) 352 Kankakee, IL Kankakee Landline
(815) 353 Woodstock, IL Mchenry Cell Number
(815) 354 Woodstock, IL Mchenry Cell Number
(815) 355 Woodstock, IL Mchenry Cell Number
(815) 356 Crystal Lake, IL Mchenry Landline
(815) 357 Seneca, IL La Salle Landline
(815) 358 Cornell, IL Livingston Landline
(815) 359 Harmon, IL Lee Landline
(815) 360 Sublette, IL Lee Landline
(815) 361 Manhattan, IL Will Landline
(815) 362 German Valley, IL Stephenson Landline
(815) 363 Mchenry, IL Mchenry Landline
(815) 364 Morris, IL Grundy Landline
(815) 365 Reddick, IL Kankakee Landline
(815) 366 Ottawa, IL La Salle Landline
(815) 367 Winslow, IL Stephenson Landline
(815) 368 Lostant, IL La Salle Landline
(815) 369 Lena, IL Stephenson Landline
(815) 370 Kankakee, IL Kankakee Cell Number
(815) 371 Utica, IL La Salle Landline
(815) 372 Romeoville, IL Will Landline
(815) 373 Elwood, IL Will Cell Number
(815) 374 Dwight, IL Will Cell Number
(815) 375 Dekalb, IL Dekalb Cell Number
(815) 376 Ohio, IL Bureau Landline
(815) 377 Crescent City, IL Iroquois Landline
(815) 378 Rockford, IL Winnebago Cell Number
(815) 379 Walnut, IL Bureau Landline
(815) 380 Sterling, IL Whiteside Landline
(815) 381 Rockford, IL Winnebago Landline
(815) 382 Woodstock, IL Mchenry Cell Number
(815) 383 Crescent City, IL Iroquois Cell Number
(815) 384 Malta, IL Dekalb Landline
(815) 385 Mchenry, IL Mchenry Landline
(815) 386 Kankakee, IL Kankakee Cell Number
(815) 387 Rockford, IL Winnebago Landline
(815) 388 Mchenry, IL Mchenry Landline
(815) 389 Beloit, IL Winnebago Landline
(815) 390 Braidwood, IL Will Landline
(815) 391 Rockford, IL Winnebago Landline
(815) 392 Kinsman, IL Grundy Landline
(815) 393 Monroe Center, IL Ogle Landline
(815) 394 Rockford, IL Winnebago Landline
(815) 395 Rockford, IL Winnebago Landline
(815) 396 Steward, IL Lee Landline
(815) 397 Rockford, IL Winnebago Landline
(815) 398 Rockford, IL Winnebago Landline
(815) 399 Rockford, IL Winnebago Landline
(815) 400 Morrison, IL Winnebago Landline
(815) 401 Kankakee, IL Kankakee Landline

We have 783 Prefixes in our database.