203 Area Code 🌍☎️
The 203 Area Code is located in the state of Connecticut. Area Code 203 is one of the 269 three-digit telephone area codes in the USA. It covers roughly 7,775,159 unique phone numbers and 0 individuals near the cities of New Haven, Stamford, and Bridgeport.
Cities Located in the 203 Area Code
The most populous cities in area code 203 are: New Haven, Stamford, Bridgeport, Norwalk, and Waterbury.
Other cities in the 203 area code include: Danbury, Greenwich, Meriden, Fairfield, Wallingford, Shelton, Milford, Trumbull, Darien, Westport, Derby, Hamden, Old Greenwich, Cheshire, West Haven, Branford, Guilford, Wilton, Madison, New Canaan, Naugatuck, Redding, Ansonia, Ridgefield, Newtown, Seymour, Wolcott, East Haven, Southbury, Woodbury, New Fairfield, Prospect, Northford, and Bethany.
Reverse Phone Lookup in New Haven, CT
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What Time Zone is Area Code 203?
The 203 area code lies within the Eastern Daylight Time Zone (or EDT). The current time in Eastern Daylight Time is 07:19 AM on Mar 10, 2026.
Area Codes Near New Haven, Stamford, and Bridgeport, Connecticut
Did you receive an unwanted call from a (203) phone number?Telemarketer Complaints‡
Most recent comments for 203 phone numbers
(203) 424-03542/12/2026
Stalking me and making phone calls to my friends and saying I'm a cop better watch out for me
(203) 243-53712/11/2026
I do not know whats going on my names Alan Garcia and this is my current number Im afraid something is happening
‡These comments come from users of Spokeo and from third party websites. The information may be out of date. Spokeo has not validated or verified any of these comments.
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844 Records Found
Phone Number Prefixes in the 203 Area Code
(203) 000
(203) 002
(203) 003
(203) 004
(203) 005
(203) 006
(203) 007
(203) 008
(203) 011
(203) 012
(203) 014
(203) 015
(203) 020
(203) 025
(203) 026
(203) 040
(203) 043
(203) 044
(203) 051
(203) 052
(203) 056
(203) 059
(203) 060
(203) 076
(203) 082
(203) 086
(203) 091
(203) 106
(203) 112
(203) 117
(203) 122
(203) 123
(203) 129
(203) 130
(203) 134
(203) 135
(203) 137
(203) 139
(203) 142
(203) 147
(203) 150
(203) 154
(203) 155
(203) 161
(203) 164
(203) 167
(203) 169
(203) 171
(203) 176
(203) 186
(203) 189
(203) 195
(203) 197
(203) 198
(203) 200
Frontier
New Haven, CT
(203) 201
USA Mobility
New Haven, CT
(203) 202
Emergency Networks
Darien, CT
(203) 203
Onvoy
Greenwich, CT
(203) 204
Onvoy
Guilford, CT
(203) 205
Frontier
Danbury, CT
(203) 207
Frontier
Danbury, CT
(203) 210
Cablevision Lightpath
Wilton, CT
(203) 211
MULTIPLE OCN LISTING
(203) 220
Cablevision Lightpath
Trumbull, CT
(203) 221
Frontier
Westport, CT
(203) 222
Frontier
Westport, CT
(203) 224
Frontier
Bridgeport, CT
(203) 225
Frontier
Shelton, CT
(203) 229
Frontier
Norwalk, CT
(203) 236
Frontier
Waterbury, CT
(203) 242
Centurylink
Shelton, CT
(203) 244
Emergency Networks
Ridgefield, CT
(203) 250
Frontier
Cheshire, CT
(203) 251
Frontier
Stamford, CT
(203) 256
Frontier
Fairfield, CT
(203) 262
Frontier
Southbury, CT
(203) 267
Frontier
Southbury, CT
(203) 275
Frontier
Bridgeport, CT
(203) 276
Cablevision Lightpath
Stamford, CT
(203) 277
Verizon Business
Old Greenwich, CT
(203) 279
USA Mobility
Bridgeport, CT
(203) 280
Verizon Business
Darien, CT
(203) 282
USA Mobility
Stamford, CT
(203) 286
Windstream
Norwalk, CT
(203) 289
USA Mobility
Danbury, CT
(203) 290
T-Mobile
Bridgeport, CT
(203) 291
Frontier
Westport, CT
(203) 292
CSC Voice
Fairfield, CT
(203) 293
Bandwidth.com
Stamford, CT
(203) 295
Verizon Wireless
Stamford, CT
(203) 296
Verizon Business
Bridgeport, CT
(203) 298
Onvoy
New Haven, CT
(203) 299
Frontier
Norwalk, CT
(203) 301
Frontier
Milford, CT
(203) 302
Cablevision Lightpath
Greenwich, CT
(203) 303
AT&T
Wallingford, CT
(203) 304
Windstream
Newtown, CT
(203) 307
Verizon Business
Fairfield, CT
(203) 309
Bandwidth.com
New Haven, CT
(203) 310
Verizon Business
New Canaan, CT
(203) 315
Frontier
Branford, CT
(203) 316
Frontier
Stamford, CT
(203) 318
Frontier
Madison, CT
(203) 319
Frontier
Fairfield, CT
(203) 320
Verizon Business
Darien, CT
(203) 326
Frontier
Stamford, CT
(203) 327
Frontier
Stamford, CT
(203) 328
Frontier
Stamford, CT
(203) 330
Frontier
Bridgeport, CT
(203) 332
Frontier
Bridgeport, CT
(203) 334
Frontier
Bridgeport, CT
(203) 335
Frontier
Bridgeport, CT
(203) 336
Frontier
Bridgeport, CT
(203) 337
Frontier
Bridgeport, CT
(203) 338
Centurylink
Bridgeport, CT
(203) 340
Cablevision Lightpath
Greenwich, CT
(203) 341
Frontier
Westport, CT
(203) 342
USA Mobility
Bridgeport, CT
(203) 344
Cablevision Lightpath
Old Greenwich, CT
(203) 345
Bridgeport, CT
(203) 346
Frontier
Waterbury, CT
(203) 347
YMax Communications
Greenwich, CT
(203) 348
Frontier
Stamford, CT
(203) 349
Onvoy
Westport, CT
(203) 350
Bandwidth.com
Madison, CT
(203) 351
Frontier
Stamford, CT
(203) 352
Frontier
Stamford, CT
(203) 353
Frontier
Stamford, CT
(203) 354
Norwalk, CT
(203) 355
Cablevision Lightpath
Stamford, CT
(203) 356
Frontier
Stamford, CT
(203) 357
Frontier
Stamford, CT
(203) 358
Frontier
Stamford, CT
(203) 359
Frontier
Stamford, CT
(203) 363
Frontier
Stamford, CT
(203) 365
Frontier
Bridgeport, CT
(203) 366
Frontier
Bridgeport, CT
(203) 367
Frontier
Bridgeport, CT
(203) 369
Verizon Business
Old Greenwich, CT
(203) 370
American Messaging
New Haven, CT
(203) 373
Frontier
Bridgeport, CT
(203) 381
Frontier
Bridgeport, CT
(203) 382
Frontier
Bridgeport, CT
(203) 384
Frontier
Bridgeport, CT
(203) 385
Frontier
Bridgeport, CT
(203) 386
Frontier
Bridgeport, CT
(203) 388
Verizon Business
Stamford, CT
(203) 390
AT&T
New Haven, CT
(203) 391
Windstream
Stamford, CT
(203) 392
Windstream
New Haven, CT
(203) 396
Frontier
Bridgeport, CT
(203) 398
USA Mobility
Norwalk, CT
(203) 399
Verizon Wireless
Stamford, CT
(203) 401
Frontier
New Haven, CT
(203) 402
Frontier
Shelton, CT
(203) 403
Centurylink
Ridgefield, CT
(203) 404
Centurylink
New Haven, CT
(203) 406
Frontier
Stamford, CT
(203) 407
Frontier
Hamden, CT
(203) 408
Peerless Network
Redding, CT
(203) 409
Windstream
Old Greenwich, CT
(203) 411
MULTIPLE OCN LISTING
(203) 412
American Messaging
New Haven, CT
(203) 413
Windstream
Greenwich, CT
(203) 416
Frontier
Bridgeport, CT
(203) 418
Verizon Business
Fairfield, CT
(203) 419
Frontier
Waterbury, CT
(203) 420
Frontier
Meriden, CT
(203) 422
Verizon
Greenwich, CT
(203) 423
AT&T
Wilton, CT
(203) 424
T-Mobile
Danbury, CT
(203) 425
Frontier
Stamford, CT
(203) 429
Verizon Business
Stamford, CT
(203) 432
Bandwidth.com
New Haven, CT
(203) 433
Centurylink
Branford, CT
(203) 436
Frontier
New Haven, CT
(203) 437
Centurylink
Waterbury, CT
(203) 439
Comcast
Cheshire, CT
(203) 441
Bandwidth.com
Wolcott, CT
(203) 442
Bandwidth.com
New Canaan, CT
(203) 446
Centurylink
Derby, CT
(203) 447
AT&T
Shelton, CT
(203) 454
Frontier
Westport, CT
(203) 455
Verizon Business
Bridgeport, CT
(203) 456
Verizon Wireless
Danbury, CT
(203) 462
Frontier
Stamford, CT
(203) 463
Windstream
Seymour, CT
(203) 465
T-Mobile
Waterbury, CT
(203) 473
(203) 475
(203) 476
(203) 477
USA Mobility
New Haven, CT
(203) 478
(203) 479
Frontier
West Haven, CT
(203) 480
Verizon Business
Fairfield, CT
(203) 485
Cablevision Lightpath
Greenwich, CT
(203) 486
Frontier
Southbury, CT
(203) 487
Centurylink
Stamford, CT
(203) 489
Peerless Network
Greenwich, CT
(203) 492
Frontier
New Haven, CT
(203) 493
Bandwidth.com
Redding, CT
(203) 495
Frontier
New Haven, CT
(203) 496
T-Mobile
Greenwich, CT
(203) 497
Frontier
New Haven, CT
(203) 498
Frontier
New Haven, CT
(203) 499
Frontier
New Haven, CT
(203) 504
Windstream
Stamford, CT
(203) 511
MULTIPLE OCN LISTING
(203) 514
Bandwidth.com
Meriden, CT
(203) 516
Centurylink
Derby, CT
(203) 518
Bandwidth.com
Waterbury, CT
(203) 523
AT&T
Norwalk, CT
(203) 529
Bandwidth.com
Wilton, CT
(203) 532
Verizon
Greenwich, CT
(203) 533
Bandwidth.com
Guilford, CT
(203) 534
Frontier
Bridgeport, CT
(203) 538
Windstream
Shelton, CT
(203) 539
Frontier
Stamford, CT
(203) 541
Frontier
Stamford, CT
(203) 542
Centurylink
Greenwich, CT
(203) 544
Frontier
Redding, CT
(203) 546
AT&T
Danbury, CT
(203) 547
Onvoy
Stamford, CT
(203) 548
Cablevision Lightpath
Stamford, CT
(203) 549
Windstream
Bridgeport, CT
(203) 551
AT&T
Bridgeport, CT
(203) 552
Verizon
Greenwich, CT
(203) 553
Frontier
New Haven, CT
(203) 555
MULTIPLE OCN LISTING
(203) 557
Cablevision Lightpath
Westport, CT
(203) 562
Frontier
New Haven, CT
(203) 563
Frontier
Wilton, CT
(203) 564
AT&T
Stamford, CT
(203) 566
Verizon Business
Stamford, CT
(203) 567
Windstream
Shelton, CT
(203) 568
Windstream
Waterbury, CT
(203) 569
Cablevision Lightpath
Stamford, CT
(203) 571
AT&T
Westport, CT
(203) 573
Frontier
Waterbury, CT
(203) 575
Frontier
Waterbury, CT
(203) 576
Frontier
Bridgeport, CT
(203) 579
Frontier
Bridgeport, CT
(203) 580
Peerless Network
Greenwich, CT
(203) 582
Frontier
New Haven, CT
(203) 585
Verizon Wireless
Stamford, CT
(203) 586
T-Mobile
Woodbury, CT
(203) 587
Emergency Networks
Redding, CT
(203) 588
Stamford, CT
(203) 590
Bandwidth.com
Trumbull, CT
(203) 591
Frontier
Waterbury, CT
(203) 593
USA Mobility
Norwalk, CT
(203) 594
Cablevision Lightpath
New Canaan, CT
(203) 595
Frontier
Stamford, CT
(203) 599
Centurylink
Meriden, CT
(203) 601
AT&T
Trumbull, CT
(203) 602
Frontier
Stamford, CT
(203) 603
Frontier
New Haven, CT
(203) 604
Centurylink
Stamford, CT
(203) 607
Verizon Business
Stamford, CT
(203) 608
Windstream
Meriden, CT
(203) 609
Verizon Wireless
Stamford, CT
(203) 614
Frontier
Stamford, CT
(203) 616
Windstream
Danbury, CT
(203) 617
AT&T
Danbury, CT
(203) 618
Verizon
Greenwich, CT
(203) 619
Frontier
New Haven, CT
(203) 620
Verizon Business
Darien, CT
(203) 621
Windstream
Darien, CT
(203) 624
Frontier
New Haven, CT
(203) 625
Verizon
Greenwich, CT
(203) 626
Windstream
New Haven, CT
(203) 628
T-Mobile
Danbury, CT
(203) 630
Frontier
Meriden, CT
(203) 632
Windstream
Naugatuck, CT
(203) 633
Centurylink
Wolcott, CT
(203) 635
Centurylink
Stamford, CT
(203) 636
Verizon Business
Darien, CT
(203) 638
Windstream
Trumbull, CT
(203) 639
Frontier
Meriden, CT
(203) 642
Verizon Business
Stamford, CT
(203) 643
Windstream
Branford, CT
(203) 646
Onvoy
Branford, CT
(203) 647
Windstream
Milford, CT
(203) 649
Windstream
Cheshire, CT
(203) 651
Windstream
Cheshire, CT
(203) 652
Windstream
Stamford, CT
(203) 653
Windstream
Stamford, CT
(203) 654
AT&T
Hamden, CT
(203) 656
Frontier
Darien, CT
(203) 657
American Messaging
New Haven, CT
(203) 658
AT&T
Stamford, CT
(203) 659
Windstream
Fairfield, CT
(203) 660
YMax Communications
Greenwich, CT
(203) 662
Frontier
Darien, CT
(203) 663
Windstream
Stamford, CT
(203) 664
Onvoy
Redding, CT
(203) 665
Windstream
Stamford, CT
(203) 666
Verizon Wireless
Bridgeport, CT
(203) 669
Verizon Business
Darien, CT
(203) 670
Emergency Networks
Waterbury, CT
(203) 672
Windstream
New Haven, CT
(203) 674
Frontier
Stamford, CT
(203) 677
Frontier
Wallingford, CT
(203) 678
Windstream
Wallingford, CT
(203) 679
Frontier
Wallingford, CT
(203) 680
Frontier
Waterbury, CT
(203) 681
YMax Communications
Greenwich, CT
(203) 682
Windstream
Stamford, CT
(203) 683
Windstream
Bridgeport, CT
(203) 684
Bandwidth.com
New Haven, CT
(203) 686
Frontier
Meriden, CT
(203) 688
Frontier
New Haven, CT
(203) 689
Bandwidth.com
New Haven, CT
(203) 692
Verizon Business
Fairfield, CT
(203) 693
Peerless Network
Milford, CT
(203) 694
Frontier
Meriden, CT
(203) 696
Frontier
Bridgeport, CT
(203) 697
Frontier
Wallingford, CT
(203) 698
Frontier
Old Greenwich, CT
(203) 699
Frontier
Cheshire, CT
(203) 701
Bandwidth.com
New Haven, CT
(203) 702
Windstream
Danbury, CT
(203) 703
Frontier
Stamford, CT
(203) 704
T-Mobile
Wolcott, CT
(203) 705
Verizon Business
Stamford, CT
(203) 708
Frontier
Stamford, CT
(203) 709
Frontier
Waterbury, CT
(203) 712
Centurylink
Shelton, CT
(203) 713
Milford, CT
(203) 714
Windstream
Naugatuck, CT
(203) 716
Verizon Business
Stamford, CT
(203) 717
Onvoy
Greenwich, CT
(203) 718
Bandwidth.com
Cheshire, CT
(203) 719
Verizon Business
Stamford, CT
(203) 720
Frontier
Naugatuck, CT
(203) 724
Windstream
Stamford, CT
(203) 726
T-Mobile
Bridgeport, CT
(203) 728
Frontier
Stamford, CT
(203) 737
Frontier
New Haven, CT
(203) 738
Windstream
Guilford, CT
(203) 739
Frontier
Danbury, CT
(203) 741
Frontier
Wallingford, CT
(203) 742
Verizon Business
Greenwich, CT
(203) 749
Frontier
Danbury, CT
(203) 750
Frontier
Norwalk, CT
(203) 759
Frontier
Waterbury, CT
(203) 760
Peerless Network
Bridgeport, CT
(203) 761
Frontier
Wilton, CT
(203) 763
Verizon Business
Fairfield, CT
(203) 764
Frontier
New Haven, CT
(203) 765
Frontier
New Haven, CT
(203) 766
American Messaging
New Haven, CT
(203) 769
YMax Communications
Greenwich, CT
(203) 771
Frontier
New Haven, CT
(203) 773
Frontier
New Haven, CT
(203) 774
Windstream
Wallingford, CT
(203) 776
Frontier
New Haven, CT
(203) 777
Frontier
New Haven, CT
(203) 779
Windstream
Madison, CT
(203) 780
Peerless Network
Waterbury, CT
(203) 781
Frontier
New Haven, CT
(203) 782
Frontier
New Haven, CT
(203) 783
Frontier
Milford, CT
(203) 784
Frontier
New Haven, CT
(203) 785
Frontier
New Haven, CT
(203) 786
Frontier
New Haven, CT
(203) 787
Frontier
New Haven, CT
(203) 789
Frontier
New Haven, CT
(203) 790
Frontier
Danbury, CT
(203) 793
Onvoy
Wallingford, CT
(203) 794
Frontier
Danbury, CT
(203) 796
Frontier
Danbury, CT
(203) 797
Frontier
Danbury, CT
(203) 799
Frontier
West Haven, CT
(203) 800
Bandwidth.com
New Haven, CT
(203) 801
Frontier
New Canaan, CT
(203) 805
AT&T
Waterbury, CT
(203) 806
AT&T
Cheshire, CT
(203) 810
Cablevision Lightpath
Norwalk, CT
(203) 811
MULTIPLE OCN LISTING
(203) 812
Frontier
New Haven, CT
(203) 813
YMax Communications
Greenwich, CT
(203) 816
Centurylink
Trumbull, CT
(203) 817
Verizon Wireless
Stamford, CT
(203) 821
Frontier
New Haven, CT
(203) 825
Frontier
Danbury, CT
(203) 827
Verizon Business
Old Greenwich, CT
(203) 828
Centurylink
Seymour, CT
(203) 830
Frontier
Danbury, CT
(203) 831
Frontier
Norwalk, CT
(203) 833
Verizon Wireless
New Haven, CT
(203) 834
Frontier
Wilton, CT
(203) 835
USA Mobility
Norwalk, CT
(203) 836
Verizon Wireless
New Haven, CT
(203) 837
Frontier
Danbury, CT
(203) 839
USA Mobility
Norwalk, CT
(203) 840
Frontier
Norwalk, CT
(203) 842
Centurylink
Stamford, CT
(203) 844
Verizon Business
Fairfield, CT
(203) 845
Frontier
Norwalk, CT
(203) 849
Frontier
Norwalk, CT
(203) 851
Frontier
Norwalk, CT
(203) 852
Frontier
Norwalk, CT
(203) 853
Frontier
Norwalk, CT
(203) 854
Frontier
Norwalk, CT
(203) 855
Frontier
Norwalk, CT
(203) 857
Frontier
Norwalk, CT
(203) 860
(203) 861
Verizon
Greenwich, CT
(203) 862
Verizon
Greenwich, CT
(203) 863
Verizon
Greenwich, CT
(203) 864
T-Mobile
Bridgeport, CT
(203) 865
Frontier
New Haven, CT
(203) 867
Frontier
New Haven, CT
(203) 870
CSC Voice
Bridgeport, CT
(203) 871
AT&T
Branford, CT
(203) 872
Onvoy
New Haven, CT
(203) 875
Verizon Business
Darien, CT
(203) 880
AT&T
Trumbull, CT
(203) 882
Frontier
Milford, CT
(203) 883
Centurylink
Stamford, CT
(203) 884
Emergency Networks
Guilford, CT
(203) 890
Cablevision Lightpath
Stamford, CT
(203) 891
Frontier
West Haven, CT
(203) 894
Frontier
Ridgefield, CT
(203) 896
Peerless Network
Madison, CT
(203) 897
Stamford, CT
(203) 899
Frontier
Norwalk, CT
(203) 900
Peerless Network
Greenwich, CT
(203) 902
Onvoy
New Haven, CT
(203) 904
T-Mobile
Norwalk, CT
(203) 905
AT&T
Stamford, CT
(203) 911
MULTIPLE OCN LISTING
(203) 914
Verizon Wireless
Norwalk, CT
(203) 916
Centurylink
Norwalk, CT
(203) 920
Verizon Business
Stamford, CT
(203) 925
Frontier
Shelton, CT
(203) 928
Frontier
New Haven, CT
(203) 930
YMax Communications
Greenwich, CT
(203) 935
T-Mobile
Meriden, CT
(203) 936
Frontier
New Haven, CT
(203) 939
Verizon Wireless
Norwalk, CT
(203) 941
Peerless Network
Seymour, CT
(203) 943
T-Mobile
Norwalk, CT
(203) 944
Frontier
Shelton, CT
(203) 945
AT&T
Norwalk, CT
(203) 946
Frontier
New Haven, CT
(203) 949
Frontier
Wallingford, CT
(203) 951
Centurylink
Milford, CT
(203) 955
Verizon Business
Fairfield, CT
(203) 956
Cablevision Lightpath
Norwalk, CT
(203) 957
Verizon Wireless
Norwalk, CT
(203) 959
MULTIPLE OCN LISTING
(203) 960
Cablevision Lightpath
Stamford, CT
(203) 961
Frontier
Stamford, CT
(203) 963
Frontier
Norwalk, CT
(203) 964
Frontier
Stamford, CT
(203) 965
Frontier
Stamford, CT
(203) 967
Frontier
Stamford, CT
(203) 969
Frontier
Stamford, CT
(203) 970
Verizon Wireless
Norwalk, CT
(203) 971
Onvoy
Greenwich, CT
(203) 973
Frontier
Stamford, CT
(203) 974
AT&T
New Haven, CT
(203) 975
Frontier
Stamford, CT
(203) 977
Frontier
Stamford, CT
(203) 978
Frontier
Stamford, CT
(203) 983
Windstream
Greenwich, CT
(203) 985
Frontier
Hamden, CT
(203) 986
Verizon Business
Old Greenwich, CT
(203) 987
YMax Communications
Greenwich, CT
(203) 989
Verizon Wireless
Norwalk, CT
(203) 990
Verizon Business
Old Greenwich, CT
(203) 991
Frontier
Norwalk, CT
(203) 992
YMax Communications
Greenwich, CT
(203) 995
Bridgeport, CT
(203) 998
Verizon Wireless
Stamford, CT