203 Area Code 🌍☎️
Area Code Profile · Connecticut
The 203 area code is located in the state of Connecticut and covers 43 cities, serving a total population of approximately 1,258,149. Major cities covered by the 203 area code include Bridgeport, New Haven, Stamford, Waterbury, Norwalk (which represents the most populated areas). There are a total of 783 telephone prefix exchanges in this area code, which support an estimated 7,830,000 active or assignable phone numbers. These prefix lines are operated by 25 distinct carriers, with Bridgeport as the primary rate center location.
Eastern Time43 Cities783 PrefixesOverlay: 203/475
Reverse Phone Lookup in Bridgeport, Connecticut
Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (203).
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3
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Neighborhood Demographics
Calculated demographics and census summary estimations for area code 203.
33.3 y/oMedian Age
$88,800Median Income
$773,000Median Home Value
1,258,149Total Population
Telemarketer Complaints
Most recent complaints and comments for phone numbers beginning with 203.
Did you receive an unwanted call from a (203) phone number?
Help the community identify spammers by filing a comment.
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
Received a text and follow-up call saying my bank account was locked due to suspicious transactions. Included a link to a fake login portal. Do not click!
Cities in the 203 Area Code
The most populous cities in area code 203 are: Bridgeport (144,229), New Haven (129,779), Stamford (122,643), Waterbury (110,366), and Norwalk (85,603).
Other cities in the 203 area code include:
Danbury, Meriden, West Haven, Stratford, Milford, Shelton, Trumbull, Naugatuck, East Haven, Westport, North Haven, Darien, Ansonia, Wallingford Center, Orange, Greenwich, Derby, Bethel, Riverside, Ridgefield, Cos Cob, Old Greenwich, Branford Center, Cheshire Village, Byram.
| City | Population | % in Area Code |
|---|---|---|
| Bridgeport | 144,229 | 100% |
| New Haven | 129,779 | 100% |
| Stamford | 122,643 | 100% |
| Waterbury | 110,366 | 100% |
| Norwalk | 85,603 | 100% |
| Danbury | 80,893 | 100% |
| Meriden | 60,868 | 100% |
| West Haven | 55,564 | 100% |
| Stratford | 51,384 | 100% |
| Milford | 51,271 | 100% |
| Shelton | 39,559 | 100% |
| Trumbull | 36,018 | 100% |
| Naugatuck | 31,862 | 100% |
| East Haven | 29,257 | 100% |
| Westport | 26,391 | 100% |
| North Haven | 24,093 | 100% |
| Darien | 20,732 | 100% |
| Ansonia | 19,249 | 100% |
| Wallingford Center | 18,209 | 100% |
| Orange | 13,956 | 100% |
Showing top 20 of 43 cities.
What Time Zone is Area Code 203?
Eastern Time Zone
Abbreviation: ET · UTC Offset: UTC-5
The 203 area code lies within the Eastern Time Zone (ET, UTC-5).
Overlay & Nearby Area Codes
Area code 203 is part of overlay complex 203/475. This means 475 also serves the same geographic area.
Phone Prefixes in the 203 Area Code
783 prefixes found · 25 carriers · 33 rate centers
| Prefix | Carrier | Rate Center |
|---|---|---|
| (203) 200 | BANDWIDTH.COM CLEC, LLC - CT | NEW HAVEN |
| (203) 201 | USA MOBILITY WIRELESS, INC. | NEW HAVEN |
| (203) 202 | CABLEVISION LIGHTPATH, INC. - CT | DARIEN |
| (203) 204 | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | GUILFORD |
| (203) 205 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | DANBURY |
| (203) 206 | NEW CINGULAR WIRELESS PCS, LLC - DC | WATERBURY |
| (203) 207 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | DANBURY |
| (203) 208 | COMCAST IP PHONE, LLC | BRANFORD |
| (203) 209 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | BRIDGEPORT |
| (203) 210 | CABLEVISION LIGHTPATH, INC. - CT | WILTON |
| (203) 212 | NEW CINGULAR WIRELESS PCS, LLC - DC | BRIDGEPORT |
| (203) 213 | NEW CINGULAR WIRELESS PCS, LLC - DC | MERIDEN |
| (203) 214 | NEW CINGULAR WIRELESS PCS, LLC - DC | NEW HAVEN |
| (203) 215 | NEW CINGULAR WIRELESS PCS, LLC - DC | NEW HAVEN |
| (203) 216 | NEW CINGULAR WIRELESS PCS, LLC - DC | WESTPORT |
| (203) 217 | NEW CINGULAR WIRELESS PCS, LLC - DC | WATERBURY |
| (203) 218 | NEW CINGULAR WIRELESS PCS, LLC - DC | BRIDGEPORT |
| (203) 219 | NEW CINGULAR WIRELESS PCS, LLC - DC | STAMFORD |
| (203) 220 | CABLEVISION LIGHTPATH, INC. - CT | TRUMBULL |
| (203) 221 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WESTPORT |
| (203) 222 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WESTPORT |
| (203) 223 | OMNIPOINT COMMUNICATIONS, INC. - CT | STAMFORD |
| (203) 224 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | BRIDGEPORT |
| (203) 225 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | HUNTINGTON |
| (203) 226 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WESTPORT |
| (203) 227 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WESTPORT |
| (203) 228 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WATERBURY |
| (203) 229 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NORWALK |
| (203) 230 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 231 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | ANSONIDRBY |
| (203) 232 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WATERBURY |
| (203) 233 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | WATERBURY |
| (203) 234 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 235 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MERIDEN |
| (203) 236 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WATERBURY |
| (203) 237 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MERIDEN |
| (203) 238 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MERIDEN |
| (203) 239 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 240 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | DANBURY |
| (203) 241 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | DANBURY |
| (203) 242 | CABLEVISION LIGHTPATH, INC. - CT | HUNTINGTON |
| (203) 243 | OMNIPOINT COMMUNICATIONS, INC. - CT | BRIDGEPORT |
| (203) 244 | CABLEVISION LIGHTPATH, INC. - CT | RIDGEFIELD |
| (203) 245 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MADISON |
| (203) 246 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK |
| (203) 247 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | NORWALK |
| (203) 248 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 249 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | STAMFORD |
| (203) 250 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | CHESHIRE |
| (203) 251 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | STAMFORD |
| (203) 252 | CABLEVISION LIGHTPATH, INC. - CT | STAMFORD |
| (203) 253 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | STAMFORD |
| (203) 254 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | FAIRFIELD |
| (203) 255 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | FAIRFIELD |
| (203) 256 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | FAIRFIELD |
| (203) 257 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | BRIDGEPORT |
| (203) 258 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | BRIDGEPORT |
| (203) 259 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | FAIRFIELD |
| (203) 260 | NEW CINGULAR WIRELESS PCS, LLC - DC | BRIDGEPORT |
| (203) 261 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | TRUMBULL |
| (203) 262 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WOODBURY |
| (203) 263 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WOODBURY |
| (203) 264 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WOODBURY |
| (203) 265 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WALLINGFD |
| (203) 266 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WOODBURY |
| (203) 267 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WOODBURY |
| (203) 268 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | TRUMBULL |
| (203) 269 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WALLINGFD |
| (203) 270 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEWTOWN |
| (203) 271 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | CHESHIRE |
| (203) 272 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | CHESHIRE |
| (203) 273 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CT | STAMFORD |
| (203) 274 | NEW CINGULAR WIRELESS PCS, LLC - DC | STAMFORD |
| (203) 275 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | BRIDGEPORT |
| (203) 276 | CABLEVISION LIGHTPATH, INC. - CT | STAMFORD |
| (203) 277 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | OLDGRNWICH |
| (203) 278 | OMNIPOINT COMMUNICATIONS, INC. - CT | ANSONIDRBY |
| (203) 279 | USA MOBILITY WIRELESS, INC. | BRIDGEPORT |
| (203) 280 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | DARIEN |
| (203) 281 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 282 | USA MOBILITY WIRELESS, INC. | STAMFORD |
| (203) 283 | CABLEVISION LIGHTPATH, INC. - CT | MILFORD |
| (203) 284 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WALLINGFD |
| (203) 285 | TELEPORT COMMUNICATIONS AMERICA, LLC - CT | NEW HAVEN |
| (203) 286 | CONVERSENT COMMUNICATIONS OF CONNECTICUT, LLC - CT | NORWALK |
| (203) 287 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 288 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NEW HAVEN |
| (203) 289 | USA MOBILITY WIRELESS, INC. | DANBURY |
| (203) 290 | OMNIPOINT COMMUNICATIONS, INC. - CT | BRIDGEPORT |
| (203) 291 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WESTPORT |
| (203) 292 | CABLEVISION LIGHTPATH, INC. - CT | FAIRFIELD |
| (203) 293 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | WESTPORT |
| (203) 294 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | WALLINGFD |
| (203) 295 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | NORWALK |
| (203) 296 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | BRIDGEPORT |
| (203) 297 | MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT | DANBURY |
| (203) 298 | CABLEVISION LIGHTPATH, INC. - CT | NEW HAVEN |
| (203) 299 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | NORWALK |
| (203) 300 | OMNIPOINT COMMUNICATIONS, INC. - CT | DANBURY |
| (203) 301 | SOUTHERN NEW ENGLAND TELCO DBA FRONTIER COMM OF CT | MILFORD |
Showing first 100 of 783 prefixes.
Frequently Asked Questions
Where is area code 203?
Area code 203 is located in Connecticut, covering cities including Bridgeport, New Haven, Stamford.
What time zone is area code 203?
Area code 203 is in the Eastern Time Zone (ET, UTC-5).
What state is area code 203?
Area code 203 is in Connecticut.
What area code overlays 203?
Area code 203 is part of overlay complex 203/475. Area code 475 also covers the same geographic region.