Reference Data
Rate Center Directory
CALAMUS, IA Rate Center

CALAMUS — IA

Data last updated: October 30, 2026

LATA
634
State
IA
Area Codes
1
Exchanges (NXX)
1
Carriers
1
Coordinates
41.826614309322, -90.75942010314799

Area Codes

563

Top Carriers

CarrierOCNNXX Count
F&B COMMUNICATIONS, INC.11601