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Area Code Lookup

Area Code 203 Phone Lookup

Connecticut, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

782prefix records
66lookup pages
203area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Wireless

(203) 570

CityBloomfield
CountyHartford
CarrierOmnipoint Communications Inc. - Ct
View Prefix
Landline

(203) 573

CityWaterbury
CountyNew Haven
CarrierSouthern New England Telephone Co.
View Prefix
Landline

(203) 574

CityWaterbury
CountyNew Haven
CarrierSouthern New England Telephone Co.
View Prefix
Landline

(203) 575

CityWaterbury
CountyNew Haven
CarrierSouthern New England Telephone Co.
View Prefix
Landline

(203) 576

CityBridgeport
CountyFairfield
CarrierSouthern New England Telephone Co.
View Prefix
Landline

(203) 577

CityMiddlebury
CountyNew Haven
CarrierSouthern New England Telephone Co.
View Prefix
Landline

(203) 578

CityWaterbury
CountyNew Haven
CarrierSouthern New England Telephone Co.
View Prefix