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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) 616

CityStamford
CountyFairfield
CarrierGlobal Crossing Local Services Inc.-ct
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Landline

(203) 619

CityNew Haven
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 620

CityStamford
CountyFairfield
CarrierBrooks Fiber Communications Of Connecticut Inc-ct
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Wireless

(203) 623

CityWallingford
CountyNew Haven
CarrierCellco Partnership Dba Verizon Wireless - Ct
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Landline

(203) 624

CityNew Haven
CountyNew Haven
CarrierSouthern New England Telephone Co.
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