821 Area Code Phone Directory

Information for Area Code 821

State: TX
Largest City in Area: HOUSTON

Where is Area Code 821?

Area code (821) is in the state of TX. Below, are the major cities in the area code (821).

Major Cities in 821

HOUSTON, TX (191)
SALINAS, CA (41)
EVANSVILLE, IN (38)
SPRING, TX (38)
SANTA CRUZ, CA (35)
HUMBLE, TX (29)
KATY, TX (26)
CHICAGO, IL (25)
APO, AE (22)
NEW YORK, NY (22)

Zip Codes in 821