Reference Data
Rate Center Directory
CALMAR, IA Rate Center

CALMAR — IA

Data last updated: June 25, 2026

LATA
635
State
IA
Area Codes
1
Exchanges (NXX)
3
Carriers
3
Coordinates
43.18351216905197, -91.86753180413201

Area Codes

563

Top Carriers

CarrierOCNNXX Count
ONVOY, LLC - IA221F1
ONVOY SPECTRUM, LLC624H1
QWEST CORPORATION96311