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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.

Landline

(203) 579

CityBridgeport
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 580

CityHartford
CountyHartford
CarrierPeerless Network Of Connecticut Llc - Ct
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Landline

(203) 581

CityBridgeport
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 582

CityHamden
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 583

CityMiddletown
CountyMiddlesex
CarrierLevel 3 Communications Llc - Ct
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Wireless

(203) 584

CityWallingford
CountyNew Haven
CarrierCellco Partnership Dba Verizon Wireless - Ct
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Landline

(203) 585

CityStamford
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 586

CityHartford
CountyHartford
CarrierTeleport Communications Group - New York - Ct
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Landline

(203) 590

CityStamford
CountyFairfield
CarrierLevel 3 Communications Llc - Ct
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