Reference Data

Rate Center Directory

STANFORD, IL Rate Center

STANFORD — IL

Data last updated: March 10, 2026

LATA

366

State

IL

Area Codes

1

Exchanges (NXX)

3

Carriers

3

Coordinates

40.43455693454855, -89.21824758778386

Area Codes

309

Top Carriers

Carrier	OCN	NXX Count
FRONTIER NORTH, INC. - IL	1015	1
VONAGE AMERICA LLC	197D	1
ONVOY, LLC	224C	1