| 62721 Ameritech | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Andrew | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Archer | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62613 Athens | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62675 Atterberry | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62675 Atterbury | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62615 Auburn | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62684 Barclay | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62670 Bates | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62670 Berlin | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62563 Berry | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Bissell | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62545 Bolivia | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Bradfordton | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62563 Breckenridge | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62563 Buckhart | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62515 Buffalo | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62515 Buffalo Hart | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62739 C I P S | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62625 Cantrall | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62629 Chatham | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62530 Cimic | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62670 Curran | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62520 Dawson | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62764 Dept of Transportation | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62757 Dept Public Property Cwlp | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Devereux Heights | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62765 DHS Dept of Mental Health | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62530 Divernon | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62723 Drivers Lic Div | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62613 Fancy Prairie | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62677 Farmingdale | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62536 Glenarm | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62702 Grandview | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62642 Greenview | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62763 Healthcare and Family Serv | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62716 Hope School | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62715 Horace Mann Ins | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62642 Hubly | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62766 Hwy Accident Bureau | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62786 Il Dept Reg and Educ | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62762 Ill Dept Human Services | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62767 Ill Dept Ins | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62761 Ill Dept Public Health | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62776 Ill Dept Revenue | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62777 Ill Office Educ | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62796 Ill R O Tax Div | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62756 Ill Secy State | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62539 Illiopolis | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62704 Jerome | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62515 Lanesville | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62704 Leland Grove | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62659 Lincoln Nw Sl | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62659 Lincolns New Salem | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62661 Loami | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62662 Lowder | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62545 Mechanicsburg | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62781 Memorial Med Center | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62670 New Berlin | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62563 New City | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62673 Oakford | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62670 Old Berlin | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62558 Pawnee | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62675 Petersburg | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62677 Pleasant Plns | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62677 Richland | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Riddle Hill | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62561 Riverton | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62545 Roby | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62563 Rochester | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62769 Saint Johns Hospital | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62677 Salisbury | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62722 Secy of State Vehicle Svcs | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62684 Sherman | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62558 Sicily | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62703 Southern View | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62561 Spaulding | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62701 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62702 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62703 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62704 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62705 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62706 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62707 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62708 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62711 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62712 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62715 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62716 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62719 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62721 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62722 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62723 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62726 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62736 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62739 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62746 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62756 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62757 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62761 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62762 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62763 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62764 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62765 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62766 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62767 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62769 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62776 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62777 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62781 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62786 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62791 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62794 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62796 Springfield | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62706 State of Illinois | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62726 State Rev 3386 | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62736 State Rev 3667 | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62746 State Rev 3707 | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62719 State Rev Box 3547 | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62642 Sweet Water | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62688 Tallula | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62689 Thayer | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62675 Tice | 217 | Menard County | Illinois - IL | Springfield, IL (7880) | MSA |
| 62693 Williamsville | 217 | Sangamon County | Illinois - IL | Springfield, IL (7880) | MSA |