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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) 677

CityWallingford
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 679

CityWallingford
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 680

CityNew Haven
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Wireless

(203) 685

CityBloomfield
CountyHartford
CarrierOmnipoint Communications Inc. - Ct
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Landline

(203) 686

CityMeriden
CountyNew Haven
CarrierSouthern New England Telephone Co.
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Landline

(203) 687

CityWallingford
CountyNew Haven
CarrierLevel 3 Communications Llc - Ct
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Landline

(203) 688

CityNew Haven
CountyNew Haven
CarrierSouthern New England Telephone Co.
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