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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) 310

CityStamford
CountyFairfield
CarrierBrooks Fiber Communications Of Connecticut Inc-ct
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Landline

(203) 312

CityNew Fairfield
CountyFairfield
CarrierSouthern New England Telephone Co.
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Wireless

(203) 313

CityWallingford
CountyNew Haven
CarrierCellco Partnership Dba Verizon Wireless - Ct
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Wireless

(203) 314

CityWallingford
CountyNew Haven
CarrierCellco Partnership Dba Verizon Wireless - Ct
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Landline

(203) 315

CityBranford
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 316

CityStamford
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 317

CityMeriden
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 318

CityMadison
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 320

CityStamford
CountyFairfield
CarrierBrooks Fiber Communications Of Connecticut Inc-ct
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Landline

(203) 321

CityStamford
CountyFairfield
CarrierSouthern New England Telephone Co.
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Landline

(203) 322

CityStamford
CountyFairfield
CarrierSouthern New England Telephone Co.
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