Reference Data

Rate Center Directory

CASTALIA, IA Rate Center

CASTALIA — IA

Data last updated: March 10, 2026

LATA

635

State

IA

Area Codes

1

Exchanges (NXX)

1

Carriers

1

Coordinates

43.11148850270516, -91.67614293342473

Area Codes

563

Top Carriers

Carrier	OCN	NXX Count
ACE TEL. ASSN. - IA	1346	1