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Old Second National Bank branch locations

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57 complete locations Updated August 4, 2026

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Largest local footprints

Cities with the most Old Second National Bank locations

Lombard, Illinois6 locations Aurora, Illinois5 locations Chicago, Illinois5 locations Bolingbrook, Illinois2 locations Carol Stream, Illinois2 locations Downers Grove, Illinois2 locations Bartlett, Illinois1 locations Batavia, Illinois1 locations Bensenville, Illinois1 locations Bloomingdale, Illinois1 locations Burlington, Illinois1 locations Chicago Heights, Illinois1 locations

Locations

All listed branches

57 results

Frankfort Branch

20201 S La Grange Rd, Frankfort, Illinois, 60423

Full-service branch · Opened November 17, 1958

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Gary Avenue

401 N Gary Ave, Carol Stream, Illinois, 60188

Full-service branch · Opened December 11, 1980

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Glendale Heights Branch

1657 Bloomingdale Rd, Glendale Heights, Illinois, 60139

Full-service branch · Opened November 30, 1984

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Hegewisch

13323 S Baltimore Ave, Chicago, Illinois, 60633

Full-service branch · Opened December 31, 1910

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Joliet Branch

850 Essington Rd, Joliet, Illinois, 60435

Full-service branch · Opened August 30, 2008

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Main Office

37 S River St, Aurora, Illinois, 60506

Full-service branch · Opened November 20, 1887

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Metra Main Wsb Xpress

100 S Main St, Lombard, Illinois, 60148

Limited Service: Drive Thru/Detached Facility · Opened March 1, 2019

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Montgomery

1830 Douglas Rd, Montgaomery, Illinois, 60538

Full-service branch · Opened June 29, 1989

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Naperville Branch

2020 Feldott Ln, Naperville, Illinois, 60540

Full-service branch · Opened June 7, 1996

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North Aurora Branch

200 John St, North Aurora, Illinois, 60542

Full-service branch · Opened August 12, 1970

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North Main

707 N Main St, Lombard, Illinois, 60148

Full-service branch · Opened April 14, 1988

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Oak Brook Branch

1515 W 22nd St Ste 100w, Oak Brook, Illinois, 60523

Full-service branch · Opened June 30, 2025

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Oak Brook Terrace Branch

17w754 22nd St, Oak Brook Terrace, Illinois, 60181

Full-service branch · Opened October 11, 1987

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Orchard

1230 N Orchard Rd, Aurora, Illinois, 60506

Full-service branch · Opened December 31, 2001

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Oswego Branch

1200 Douglas Rd, Oswego, Illinois, 60543

Full-service branch · Opened April 13, 1997

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Ottawa Branch

323 E Norris Dr, Ottawa, Illinois, 61350

Full-service branch · Opened January 31, 1978

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Palos Heights Branch

7101 W 127th St, Palos Heights, Illinois, 60463

Full-service branch · Opened December 31, 1910

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Plano West

7050 Burroughs Ave, Plano, Illinois, 60545

Full-service branch · Opened December 3, 2006

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Romeoville Branch

505 N Weber Rd, Romeoville, Illinois, 60446

Full-service branch · Opened January 6, 2000

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South Elgin Branch

1870 Stearns Rd, South Elgin, Illinois, 60177

Full-service branch · Opened December 30, 2001

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South Holland Branch

601 E 162nd St, South Holland, Illinois, 60473

Full-service branch · Opened December 31, 1910

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South Main

1122 S Main St, Lombard, Illinois, 60148

Full-service branch · Opened June 26, 1981

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St. Charles Branch

315 S Randall Rd, St. Charles, Illinois, 60174

Full-service branch · Opened November 5, 1991

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Stratford Square

355 W Army Trail Rd, Bloomingdale, Illinois, 60108

Full-service branch · Opened October 23, 1975

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