Reference Data

Rate Center Directory

UNDERWOOD, IA Rate Center

UNDERWOOD — IA

Data last updated: March 10, 2026

LATA

644

State

IA

Area Codes

1

Exchanges (NXX)

3

Carriers

3

Coordinates

41.3869388, -95.676674

Area Codes

712

Top Carriers

Carrier	OCN	NXX Count
ONVOY, LLC - IA	221F	1
AIRUS, INC - IA	423H	1
QWEST CORPORATION	9631	1