District of Illinois area codes: 331 | |
---|---|
Country | United States |
State/Province | Illinois |
Major City | Lemont |
Time Zone | Central |
Prefix | County | Primary City | Company |
---|---|---|---|
331-643 | Kane | Aurora, IL | Sprint Spectrum L.p. |
331-645 | Dupage | Elmhurst, IL | Sprint Spectrum L.p. |
331-684 | Kane | Aurora, IL | Sigecom |
331-702 | Dupage | Naperville, IL | Mci Worldcom Communications |
331-703 | Dupage | West Chicago, IL | T-mobile Usa |
331-725 | Kendall | Oswego, IL | New Cingular Wireless PCS |
331-777 | Dupage | Downers Grove, IL | Cellco Partnership DBA Verizon Wireless |
331-801 | Teleport Communications America | ||
331-803 | Cook | Lemont, IL | Peerless Network Of Illinois |
331-825 | Digital Network Access Communications | ||
331-826 | Dupage | Elmhurst, IL | Sprint Spectrum L.p. |
331-888 | Dupage | Warrenville, IL | Peerless Network Of Illinois |
331-903 | Sbc Internet Services | ||
331-999 | Kendall | Oswego, IL | Bandwidth.com Clec |
331-555 | Used in movie | Bartlett, IL | Used in movie |
There are 75 prefixes, In the code area, the major cities are Addison, IL;Aurora, IL;Bartlett, IL;Batavia, IL;Be. The major city is Lemont.