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Random Illinois ZIP Code Generator

Random real 5-digit Illinois ZIP Codes by city. Each result keeps its reference city and state pairing together for realistic test data.

Find ZIP Codes by US State

CACaliforniaCA ZIP Code generatorNYNew YorkNY ZIP Code generatorFLFloridaFL ZIP Code generatorNJNew JerseyNJ ZIP Code generatorTXTexasTX ZIP Code generatorPAPennsylvaniaPA ZIP Code generatorILIllinoisIL ZIP Code generatorOHOhioOH ZIP Code generatorGAGeorgiaGA ZIP Code generatorNCNorth CarolinaNC ZIP Code generatorMIMichiganMI ZIP Code generatorWAWashingtonWA ZIP Code generatorAZArizonaAZ ZIP Code generatorVAVirginiaVA ZIP Code generatorMAMassachusettsMA ZIP Code generatorDEDelawareDE ZIP Code generatorOROregonOR ZIP Code generatorNHNew HampshireNH ZIP Code generatorMTMontanaMT ZIP Code generatorAKAlaskaAK ZIP Code generatorALAlabamaAL ZIP Code generatorARArkansasAR ZIP Code generatorCOColoradoCO ZIP Code generatorCTConnecticutCT ZIP Code generatorDCDistrict of ColumbiaDC ZIP Code generatorHIHawaiiHI ZIP Code generatorIDIdahoID ZIP Code generatorINIndianaIN ZIP Code generatorIAIowaIA ZIP Code generatorKSKansasKS ZIP Code generatorKYKentuckyKY ZIP Code generatorLALouisianaLA ZIP Code generatorMEMaineME ZIP Code generatorMDMarylandMD ZIP Code generatorMNMinnesotaMN ZIP Code generatorMSMississippiMS ZIP Code generatorMOMissouriMO ZIP Code generatorNENebraskaNE ZIP Code generatorNVNevadaNV ZIP Code generatorNMNew MexicoNM ZIP Code generatorNDNorth DakotaND ZIP Code generatorOKOklahomaOK ZIP Code generatorRIRhode IslandRI ZIP Code generatorSCSouth CarolinaSC ZIP Code generatorSDSouth DakotaSD ZIP Code generatorTNTennesseeTN ZIP Code generatorUTUtahUT ZIP Code generatorVTVermontVT ZIP Code generatorWVWest VirginiaWV ZIP Code generatorWIWisconsinWI ZIP Code generatorWYWyomingWY ZIP Code generator

About Illinois ZIP Codes

The Illinois reference data contains 1,396 distinct five-digit ZIP Codes spanning 60002–62999. Frequently represented place names include Chicago, Peoria, Rockford, Springfield.

Prefixes such as 600 · 609 · 619 · 629 appear across the reference data and reflect different USPS processing and local delivery areas in Illinois. ZIP Codes describe mail routes and do not necessarily match city or county boundaries.

60002–62999

Reference ZIP span

Lowest and highest five-digit ZIP in the Illinois reference data

600 · 609 · 619 · 629

Example prefixes

Three-digit prefixes sampled across the state reference range

1,396

Distinct ZIP Codes

Five-digit ZIP Codes available in this state reference set

Frequently Asked Questions

The five-digit ZIP Codes in this reference set span 60002–62999, with 1,396 distinct codes. This describes the generator data, not an exhaustive current USPS directory.