Macomb, Illinois
Central Time Zone (UTC-6) · IL · —
About Area Codes in Macomb, Illinois
Macomb, Illinois is served by 2 area codes: 309, 861. When multiple area codes serve the same geographic area, it typically indicates overlay codes have been added to accommodate growing demand for phone numbers. All local calls within Macomb require 10-digit dialing. The city is in the Central time zone (UTC-6).
Other cities in area code 309
Frequently Asked Questions
What area code is Macomb, Illinois?
Macomb, Illinois uses area codes 309 and 861.
What time zone is Macomb in?
Macomb is in the Central time zone (UTC-6).
Do I need to dial 10 digits when calling Macomb?
Yes, all local calls in Macomb require 10-digit dialing because the area is served by multiple overlay area codes.
When was area code 309 created?
Area code 309 was established in 1957 as a geographic split from a larger area code region to serve the growing population.
What cities share area code 309 with Macomb?
Other cities sharing area code 309 with Macomb include Bloomington, Canton, East Peoria, Galesburg, Moline, among others.
Also called Macomb:
Macomb, IL · Central Time Zone