Area Code 203-500 : Area Code 203-599

VerifyPhone.com is your one-stop site for area code lookup, phone number lookup, and free phone number reviews. Following is reverse lookup detail & reviews for area code 203 5xx including 203 area code location map. Major cities such as Wallingford, Hartford, Stamford, Middletown, Norwalk covered within area code 203 5xx are also listed on this page. More area codes, including those outside of Connecticut, United States of America, are on the VerifyPhone.com homepage.

Reverse Lookup Detail for Area Code 203 5xx

Area code 203 covers part of Connecticutstate, covering most of Fairfield, New Haven, Litchfield counties. It was started on Jan 01, 2000. This region follows US/Eastern + Daylight Savings timezone. Other popular area codes that belong to Connecticut state include 475, 860, 959.

Verified changes in Area Code 203 5XX

Date ChangedChange Details
Jun 01, 2014Area code 203-523 was introduced on Mar 31, 2014 and subscribers are operational from Jun 01, 2014.
May 02, 2014Area code 203-571 was introduced on Apr 02, 2014 and subscribers are operational from May 02, 2014.
Apr 28, 2014Area code 203-580 was introduced on Mar 28, 2014 and subscribers are operational from Apr 28, 2014.
Apr 11, 2014Area code 203-518 was introduced on Mar 13, 2014 and subscribers are operational from Apr 11, 2014.
Apr 11, 2014Area code 203-546 was introduced on Mar 13, 2014 and subscribers are operational from Apr 11, 2014.
Feb 08, 2014Area code 203-590 was introduced on Jan 09, 2014 and subscribers are operational from Feb 08, 2014.

Area Code 203-500 - Area Code 203-599 (Covers 203 5xx xxxx phone numbers)

Area CodeCityCountyPopulationNetwork Operator
203-500MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-501-1HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-501-9MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-501-0WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-501-6WallingfordFairfield916,829Sprint Spectrum LP
203-502-9BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-502-1NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-502-7StamfordFairfield916,829Level 3 Communications LLC - CT
203-502-0StratfordFairfield916,829Southern New England Telephone Company
203-502-8WillimanticFairfield916,829Charter FIberlink CT-CCO LLC - CT
203-503-8BloomfieldNew Haven862,477Omnipoint Communications Inc - CT
203-503-0New HavenNew Haven862,477Southern New England Telephone Company
203-504-9HartfordFairfield916,829Broadwing Communications LLC - CT
203-504-6New HavenFairfield916,829Conversent Communications of Connecticut LLC - CT
203-504-8NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-504-0StamfordFairfield916,829CTC Communications Corporation - CT
203-504-4WallingfordFairfield916,829Sprint Spectrum LP
203-505-6New HavenFairfield916,829SBC Internet Services Inc
203-505-0WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-506MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-507-1BloomfieldNew Haven862,477Omnipoint Communications Inc - CT
203-507-2HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-507-0WallingfordNew Haven862,477Sprint Spectrum LP
203-508-5BloomfieldNew Haven862,477Omnipoint Communications Inc - CT
203-508-0New HavenNew Haven862,477CTC Communications Corporation - CT
203-508-9StamfordNew Haven862,477Paetec Communications Inc - CT
203-509WallingfordNew Haven862,477Sprint Spectrum LP
203-510WallingfordNew Haven862,477Sprint Spectrum LP
203-511412,513Travel Information Services
203-512BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-513-0CheshireFairfield916,829AT&T Local
203-513-9HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-513-5HartfordFairfield916,829Broadwing Communications LLC - CT
203-513-8HartfordFairfield916,829Comcast Phone of Connecticut Inc - CT
203-513-1MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-513-7New HavenFairfield916,829SBC Internet Services Inc
203-514-7HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-514-0HartfordNew Haven862,477Teleport Communications America LLC - CT
203-514-9MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-515WallingfordFairfield916,829Sprint Spectrum LP
203-516-7HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-516-5HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-516-1MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-516-6New HavenNew Haven862,477CTC Communications Corporation - CT
203-516-0StamfordNew Haven862,477Global Crossing Local Services Inc - CT
203-516-4StamfordNew Haven862,477Level 3 Communications LLC - CT
203-516-8WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-517-8MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-517-9NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-517-3StamfordFairfield916,829CTC Communications Corporation - CT
203-517-0StamfordFairfield916,829Level 3 Communications LLC - CT
203-517-2StamfordFairfield916,829Paetec Communications Inc - CT
203-518-9HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-518-0MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-518-7New LondonNew Haven862,477Qwest Communications Company LLC
203-519-8HartfordNew Haven862,477YMax Communications Corporation - CT
203-519-0WallingfordNew Haven862,477Sprint Spectrum LP
203-520WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-521WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-522-0MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-522-5NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-523-0HartfordFairfield916,829Teleport Communications America LLC - CT
203-523-5New HavenFairfield916,829Conversent Communications of Connecticut LLC - CT
203-523-9WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-524-0MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-525MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-526WallingfordFairfield916,829Sprint Spectrum LP
203-527-0HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-527-7HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-527-8New HavenNew Haven862,477SBC Internet Services Inc
203-527-0ProspectNew Haven862,477Southern New England Telephone Company
203-527-2WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-527-1WallingfordNew Haven862,477Sprint Spectrum LP
203-528-9HartfordNew Haven862,477Broadwing Communications LLC - CT
203-528-4HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-528-8MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-528-0StamfordNew Haven862,477Level 3 Communications LLC - CT
203-528-2WallingfordNew Haven862,477Sprint Spectrum LP
203-529-0CheshireFairfield916,829AT&T Local
203-529-7HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-529-8HartfordFairfield916,829Peerless Network of Connecticut LLC - CT
203-529-3NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-529-0StamfordFairfield916,829Global Crossing Local Services Inc - CT
203-529-6StamfordFairfield916,829Level 3 Communications LLC - CT
203-530WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-531Port ChesterFairfield916,829Verizon New York Inc
203-532-5HicksvilleFairfield916,829Cablevision Lightpath Inc - CT
203-532-8MelvilleFairfield916,829Conversent Communications of Connecticut LLC - CT
203-532-0Port ChesterFairfield916,829Verizon New York Inc
203-533-9HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-533-7HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-533-3HartfordNew Haven862,477MCImetro Access Transmission Services LLC
203-533-8HartfordNew Haven862,477Peerless Network of Connecticut LLC - CT
203-533-0StamfordNew Haven862,477Level 3 Communications LLC - CT
203-533-6StamfordNew Haven862,477Paetec Communications Inc - CT
203-534-0BridgeportFairfield916,829Southern New England Telephone Company
203-534-9WallingfordFairfield916,829Sprint Spectrum LP
203-535-0HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-535-8MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-535-9WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-536WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-537WallingfordNew Haven862,477Sprint Spectrum LP
203-538-9HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-538-8New HavenFairfield916,829CTC Communications Corporation - CT
203-539-1HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-539-0StamfordFairfield916,829Southern New England Telephone Company
203-540-0MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-540-6WallingfordFairfield916,829Sprint Spectrum LP
203-541-0HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-541-0StamfordFairfield916,829Southern New England Telephone Company
203-542-8BrooklynFairfield916,829Broadwing Communications LLC - CT
203-542-9White PlainsFairfield916,829Bandwidth.com CLEC LLC - CT
203-543BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-544-0GeorgetownFairfield916,829Southern New England Telephone Company
203-544-5New HavenFairfield916,829SBC Internet Services Inc
203-545WallingfordFairfield916,829Sprint Spectrum LP
203-546-0HartfordFairfield916,829Teleport Communications America LLC - CT
203-546-8WillimanticFairfield916,829Charter FIberlink CT-CCO LLC - CT
203-547New HavenFairfield916,829Global Naps Inc - CT
203-548-1BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-548-8NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-549-0HartfordFairfield916,829Choice One Communications Inc - CT
203-550BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-551-4BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-551-1MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-552-0GreenwichFairfield916,829Verizon New York Inc
203-553-7HartfordNew Haven862,477Comcast Phone of Connecticut Inc - CT
203-553-9NorwalkNew Haven862,477Cablevision Lightpath Inc - CT
203-554MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-555482,557DIRECTORY ASSISTANCE
203-556MiddletownFairfield916,829New Cingular Wireless PCS LLC - DC
203-557-0NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-558MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-559-0HartfordFairfield916,829Teleport Communications America LLC - CT
203-560MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-561WallingfordFairfield916,829Cellco Partnership dba Verizon Wireless - CT
203-562New HavenNew Haven862,477Southern New England Telephone Company
203-563-8HartfordFairfield916,829Peerless Network of Connecticut LLC - CT
203-563-0WiltonFairfield916,829Southern New England Telephone Company
203-564-0CheshireFairfield916,829AT&T Local
203-565-0WallingfordNew Haven862,477Sprint Spectrum LP
203-566-0StamfordFairfield916,829Brooks Fiber Communications of Connecticut Inc - CT
203-567-4StamfordFairfield916,829Level 3 Communications LLC - CT
203-568-5BloomfieldNew Haven862,477Omnipoint Communications Inc - CT
203-568-3WallingfordNew Haven862,477Sprint Spectrum LP
203-569NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-570BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-571-0CheshireFairfield916,829AT&T Local
203-571-0StamfordFairfield916,829Global Crossing Local Services Inc - CT
203-572-5HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-572-0NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-573WaterburyNew Haven862,477Southern New England Telephone Company
203-574WaterburyNew Haven862,477Southern New England Telephone Company
203-575WaterburyNew Haven862,477Southern New England Telephone Company
203-576BridgeportFairfield916,829Southern New England Telephone Company
203-577-0MiddleburyNew Haven862,477Southern New England Telephone Company
203-577-9WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-578-7BloomfieldNew Haven862,477Omnipoint Communications Inc - CT
203-579BridgeportFairfield916,829Southern New England Telephone Company
203-580-9HartfordFairfield916,829Peerless Network of Connecticut LLC - CT
203-580-0New YorkFairfield916,829Voxbeam Telecommunications Inc - CT
203-581BridgeportFairfield916,829Southern New England Telephone Company
203-582HamdenNew Haven862,477Southern New England Telephone Company
203-583-5BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-584-7HartfordNew Haven862,477Bandwidth.com CLEC LLC - CT
203-584-0WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-585-0StamfordFairfield916,829Southern New England Telephone Company
203-586-0HartfordLitchfield189,927Teleport Communications America LLC - CT
203-586-3NorwalkLitchfield189,927Cablevision Lightpath Inc - CT
203-587-0BloomfieldFairfield916,829Omnipoint Communications Inc - CT
203-587-3StamfordFairfield916,829Level 3 Communications LLC - CT
203-588NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-589-0WallingfordNew Haven862,477Cellco Partnership dba Verizon Wireless - CT
203-590-7HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-590-0StamfordFairfield916,829Level 3 Communications LLC - CT
203-591WaterburyNew Haven862,477Southern New England Telephone Company
203-592MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-593NorwalkFairfield916,829USA Mobility Wireless Inc
203-594-6HartfordFairfield916,829Bandwidth.com CLEC LLC - CT
203-594-0NorwalkFairfield916,829Cablevision Lightpath Inc - CT
203-595-3New HavenFairfield916,829Conversent Communications of Connecticut LLC - CT
203-595-0StamfordFairfield916,829Southern New England Telephone Company
203-596WaterburyNew Haven862,477Southern New England Telephone Company
203-597MiddletownNew Haven862,477New Cingular Wireless PCS LLC - DC
203-598-0MiddleburyNew Haven862,477Southern New England Telephone Company
203-599-0CheshireNew Haven862,477AT&T Local
203-599-7HartfordNew Haven862,477Peerless Network of Connecticut LLC - CT
203-599-8New HavenNew Haven862,477SBC Internet Services Inc
 

Recent Free Phone Number Reviews in Area Code 203 5xx

Naama Kates (naama.kates@gmail.com) commented on 203-583-4893
This review was created at 2011-05-06T14:16
FDA spam.
Recent reviews for Area Code 203-583-4

Verified phone numbers in Area Code 203

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203 Area Code

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203 Area Code Reviews

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Telephone Area Codes in Connecticut

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