521 Area Code Information
State: TX
Largest City in Area: AUSTIN
Where is Area Code 521? Area code (521) is in the state of TX. The PeopleSearchNow database has 4,224 records on file with a phone number in the area code of (521). Below, are the major cities in the area code (521).
Area Codes Starting with 5
Major Cities in 521
- AUSTIN, TX (182)
- DES MOINES, IA (165)
- IOWA CITY, IA (155)
- MELBOURNE, FL (145)
- ORLANDO, FL (131)
- CEDAR RAPIDS, IA (106)
- PALM BAY, FL (104)
- BALTIMORE, MD (89)
- AMES, IA (78)
- DAVENPORT, IA (78)
Zip Codes in 521
- 32905
- 32907
- 32909
- 32935
- 32953
- 50010
- 50014
- 50265
- 50266
- 50310
- 50311
- 50312
- 52240
- 52241
- 52245
- 52246
- 52402
- 52404
- 52722
- 52806