203 area

This area code used across 3 counties and 35 cities. The area code is used in the state of Connecticut.

Counties with "203" area code

  • New Haven
  • Fairfield
  • Litchfield

Cities with "203" area code

  • New Haven
  • Darien
  • Guilford
  • Danbury
  • Waterbury
  • Branford
  • Bridgeport
  • Wilton
  • Meriden
  • Westport
  • Stamford
  • Trumbull
  • Shelton
  • Norwalk
  • Hamden
  • Ansonia
  • Ridgefield
  • Madison
  • Cheshire
  • Fairfield
  • Southbury
  • Woodbury
  • Wallingford
  • Newtown
  • Old Greenwich
  • Milford
  • Greenwich
  • New Canaan
  • Woodbridge
  • Redding
  • Wolcott
  • Oxford
  • North Branford
  • Naugatuck
  • New Fairfield

Exchange codes in the area

Exchange code City
203 - 200 New Haven
203 - 201 New Haven
203 - 202 Darien
203 - 204 Guilford
203 - 205 Danbury
203 - 206 Waterbury
203 - 207 Danbury
203 - 208 Branford
203 - 209 Bridgeport
203 - 210 Wilton
203 - 212 Bridgeport
203 - 213 Meriden
203 - 214 New Haven
203 - 215 New Haven
203 - 216 Westport
203 - 217 Waterbury
203 - 218 Bridgeport
203 - 219 Stamford
203 - 220 Trumbull
203 - 221 Westport
203 - 222 Westport
203 - 223 Stamford
203 - 224 Bridgeport
203 - 225 Shelton
203 - 226 Westport
203 - 227 Westport
203 - 228 Waterbury
203 - 229 Norwalk
203 - 230 Hamden
203 - 231 Ansonia
203 - 232 Waterbury
203 - 233 Waterbury
203 - 234 Hamden
203 - 235 Meriden
203 - 236 Waterbury
203 - 237 Meriden
203 - 238 Meriden
203 - 239 Hamden
203 - 240 Danbury
203 - 241 Danbury
203 - 242 Shelton
203 - 243 Bridgeport
203 - 244 Ridgefield
203 - 245 Madison
203 - 246 Norwalk
203 - 247 Norwalk
203 - 248 Hamden
203 - 249 Stamford
203 - 250 Cheshire
203 - 251 Stamford
203 - 252 Stamford
203 - 253 Stamford
203 - 254 Fairfield
203 - 255 Fairfield
203 - 256 Fairfield
203 - 257 Bridgeport
203 - 258 Bridgeport
203 - 259 Fairfield
203 - 260 Bridgeport
203 - 261 Trumbull
203 - 262 Southbury
203 - 263 Woodbury
203 - 264 Southbury
203 - 265 Wallingford
203 - 266 Woodbury
203 - 267 Southbury
203 - 268 Trumbull
203 - 269 Wallingford
203 - 270 Newtown
203 - 271 Cheshire
203 - 272 Cheshire
203 - 273 Stamford
203 - 274 Stamford
203 - 275 Bridgeport
203 - 276 Stamford
203 - 277 Old Greenwich
203 - 278 Ansonia
203 - 279 Bridgeport
203 - 280 Darien
203 - 281 Hamden
203 - 282 Stamford
203 - 283 Milford
203 - 284 Wallingford
203 - 285 New Haven
203 - 286 Norwalk
203 - 287 Hamden
203 - 288 Hamden
203 - 289 Danbury
203 - 290 Bridgeport
203 - 291 Westport
203 - 292 Fairfield
203 - 293 Stamford
203 - 294 Wallingford
203 - 295 Stamford
203 - 296 Bridgeport
203 - 297 Danbury
203 - 298 New Haven
203 - 299 Norwalk
203 - 300 Danbury
203 - 301 Milford
203 - 302 Greenwich
203 - 303 Wallingford
203 - 304 Newtown
203 - 305 Ansonia
203 - 306 Milford
203 - 307 Fairfield
203 - 308 Ansonia
203 - 309 New Haven
203 - 310 New Canaan
203 - 312 Danbury
203 - 313 Danbury
203 - 314 New Haven
203 - 315 Branford
203 - 316 Stamford
203 - 317 Meriden
203 - 318 Madison
203 - 319 Fairfield
203 - 320 Darien
203 - 321 Stamford
203 - 322 Stamford
203 - 323 Stamford
203 - 324 Stamford
203 - 325 Stamford
203 - 326 Stamford
203 - 327 Stamford
203 - 328 Stamford
203 - 329 Stamford
203 - 330 Bridgeport
203 - 331 Bridgeport
203 - 332 Bridgeport
203 - 333 Bridgeport
203 - 334 Bridgeport
203 - 335 Bridgeport
203 - 336 Bridgeport
203 - 337 Bridgeport
203 - 338 Bridgeport
203 - 339 Bridgeport
203 - 340 Greenwich
203 - 341 Westport
203 - 342 Bridgeport
203 - 343 Ansonia
203 - 344 Old Greenwich
203 - 345 Bridgeport
203 - 346 Waterbury
203 - 347 Greenwich
203 - 348 Stamford
203 - 349 Westport
203 - 350 Madison
203 - 351 Stamford
203 - 352 Stamford
203 - 353 Stamford
203 - 354 Norwalk
203 - 355 Stamford
203 - 356 Stamford
203 - 357 Stamford
203 - 358 Stamford
203 - 359 Stamford
203 - 360 Bridgeport
203 - 361 New Haven
203 - 362 Bridgeport
203 - 363 Stamford
203 - 364 Newtown
203 - 365 Bridgeport
203 - 366 Bridgeport
203 - 367 Bridgeport
203 - 368 Bridgeport
203 - 369 Old Greenwich
203 - 370 New Haven
203 - 371 Bridgeport
203 - 372 Bridgeport
203 - 373 Bridgeport
203 - 374 Bridgeport
203 - 375 Bridgeport
203 - 376 New Haven
203 - 377 Bridgeport
203 - 378 Bridgeport
203 - 379 Meriden
203 - 380 Bridgeport
203 - 381 Bridgeport
203 - 382 Bridgeport
203 - 383 Bridgeport
203 - 384 Bridgeport
203 - 385 Bridgeport
203 - 386 Bridgeport
203 - 387 New Haven
203 - 388 Stamford
203 - 389 New Haven
203 - 390 New Haven
203 - 391 Stamford
203 - 392 New Haven
203 - 393 Woodbridge
203 - 394 Bridgeport
203 - 395 Bridgeport
203 - 396 Bridgeport
203 - 397 New Haven
203 - 398 Norwalk
203 - 399 Stamford
203 - 400 Trumbull
203 - 401 New Haven
203 - 402 Shelton
203 - 403 Ridgefield
203 - 404 New Haven
203 - 405 Woodbury
203 - 406 Stamford
203 - 407 Hamden
203 - 408 Redding
203 - 409 Old Greenwich
203 - 410 New Haven
203 - 412 New Haven
203 - 413 Greenwich
203 - 414 Bridgeport
203 - 415 New Haven
203 - 416 Bridgeport
203 - 417 Danbury
203 - 418 Fairfield
203 - 419 Waterbury
203 - 420 Meriden
203 - 421 Madison
203 - 422 Greenwich
203 - 423 Wilton
203 - 424 Danbury
203 - 425 Stamford
203 - 426 Newtown
203 - 427 Meriden
203 - 428 Stamford
203 - 429 Stamford
203 - 430 New Haven
203 - 431 Ridgefield
203 - 432 New Haven
203 - 433 Branford
203 - 434 Norwalk
203 - 435 New Haven
203 - 436 New Haven
203 - 437 Waterbury
203 - 438 Ridgefield
203 - 439 Cheshire
203 - 440 Meriden
203 - 441 Wolcott
203 - 442 New Canaan
203 - 443 Meriden
203 - 444 New Haven
203 - 445 Trumbull
203 - 446 Ansonia
203 - 447 Shelton
203 - 448 Danbury
203 - 449 Bridgeport
203 - 450 Bridgeport
203 - 451 Westport
203 - 452 Trumbull
203 - 453 Guilford
203 - 454 Westport
203 - 455 Bridgeport
203 - 456 Danbury
203 - 457 Guilford
203 - 458 Guilford
203 - 459 Trumbull
203 - 460 Danbury
203 - 461 Stamford
203 - 462 Stamford
203 - 463 Oxford
203 - 464 New Haven
203 - 465 Waterbury
203 - 466 New Haven
203 - 467 New Haven
203 - 468 New Haven
203 - 469 New Haven
203 - 470 Danbury
203 - 471
203 - 472
203 - 473
203 - 474
203 - 476
203 - 477 New Haven
203 - 478
203 - 479 New Haven
203 - 480 Fairfield
203 - 481 Branford
203 - 482 Danbury
203 - 483 Branford
203 - 484 North Branford
203 - 485 Greenwich
203 - 486 Southbury
203 - 487 Stamford
203 - 488 Branford
203 - 489 Greenwich
203 - 490 Naugatuck
203 - 491 Newtown
203 - 492 New Haven
203 - 493 Wilton
203 - 494 New Haven
203 - 495 New Haven
203 - 496 Greenwich
203 - 497 New Haven
203 - 498 New Haven
203 - 499 New Haven
203 - 500 New Haven
203 - 501 Danbury
203 - 502 Bridgeport
203 - 503 New Haven
203 - 504 Stamford
203 - 505 Norwalk
203 - 506 New Haven
203 - 507 New Haven
203 - 508 New Haven
203 - 509 Waterbury
203 - 510 Waterbury
203 - 512 Danbury
203 - 513 New Haven
203 - 514 Meriden
203 - 515 Norwalk
203 - 516 Ansonia
203 - 517 Stamford
203 - 518 Waterbury
203 - 519 Waterbury
203 - 520 Bridgeport
203 - 521 Bridgeport
203 - 522 Bridgeport
203 - 523 Norwalk
203 - 524 Stamford
203 - 525 Waterbury
203 - 526 Bridgeport
203 - 527 Waterbury
203 - 528 Waterbury
203 - 529 Wilton
203 - 530 New Haven
203 - 531 Greenwich
203 - 532 Greenwich
203 - 533 Guilford
203 - 534 Bridgeport
203 - 535 New Haven
203 - 536 Stamford
203 - 537 Meriden
203 - 538 Shelton
203 - 539 Stamford
203 - 540 Bridgeport
203 - 541 Stamford
203 - 542 Greenwich
203 - 543 Bridgeport
203 - 544 Wilton
203 - 545 Bridgeport
203 - 546 Danbury
203 - 547 Stamford
203 - 548 Stamford
203 - 549 Bridgeport
203 - 550 Stamford
203 - 551 Bridgeport
203 - 552 Greenwich
203 - 553 New Haven
203 - 554 Stamford
203 - 556 Bridgeport
203 - 557 Westport
203 - 558 Waterbury
203 - 559 Darien
203 - 560 Waterbury
203 - 561 Stamford
203 - 562 New Haven
203 - 563 Wilton
203 - 564 Stamford
203 - 565 Waterbury
203 - 566 Stamford
203 - 567 Shelton
203 - 568 Waterbury
203 - 569 Stamford
203 - 570 Stamford
203 - 571 Westport
203 - 572 Bridgeport
203 - 573 Waterbury
203 - 574 Waterbury
203 - 575 Waterbury
203 - 576 Bridgeport
203 - 577 Waterbury
203 - 578 Waterbury
203 - 579 Bridgeport
203 - 580 Greenwich
203 - 581 Bridgeport
203 - 582 New Haven
203 - 583 Bridgeport
203 - 584 New Haven
203 - 585 Stamford
203 - 586 Woodbury
203 - 587 Wilton
203 - 588 Stamford
203 - 589 New Haven
203 - 590 Trumbull
203 - 591 Waterbury
203 - 592 Waterbury
203 - 593 Norwalk
203 - 594 New Canaan
203 - 595 Stamford
203 - 596 Waterbury
203 - 597 Waterbury
203 - 598 Waterbury
203 - 599 Meriden
203 - 600 Meriden
203 - 601 Trumbull
203 - 602 Stamford
203 - 603 New Haven
203 - 604 Stamford
203 - 605 New Haven
203 - 606 New Haven
203 - 607 Stamford
203 - 608 Meriden
203 - 609 Stamford
203 - 610 Bridgeport
203 - 612 Bridgeport
203 - 613 Norwalk
203 - 614 Stamford
203 - 615 Bridgeport
203 - 616 Danbury
203 - 617 Danbury
203 - 618 Greenwich
203 - 619 New Haven
203 - 620 Darien
203 - 621 Darien
203 - 622 Greenwich
203 - 623 New Haven
203 - 624 New Haven
203 - 625 Greenwich
203 - 626 New Haven
203 - 627 New Haven
203 - 628 Danbury
203 - 629 Greenwich
203 - 630 Meriden
203 - 631 Meriden
203 - 632 Naugatuck
203 - 633 Wolcott
203 - 634 Meriden
203 - 635 Stamford
203 - 636 Darien
203 - 637 Old Greenwich
203 - 638 Trumbull
203 - 639 Meriden
203 - 640 New Haven
203 - 641 New Haven
203 - 642 Stamford
203 - 643 Branford
203 - 644 Norwalk
203 - 645 New Haven
203 - 646 Branford
203 - 647 Milford
203 - 648 Danbury
203 - 649 Cheshire
203 - 650 Bridgeport
203 - 651 Cheshire
203 - 652 Stamford
203 - 653 Stamford
203 - 654 Hamden
203 - 655 Darien
203 - 656 Darien
203 - 657 New Haven
203 - 658 Stamford
203 - 659 Fairfield
203 - 660 Greenwich
203 - 661 Greenwich
203 - 662 Darien
203 - 663 Stamford
203 - 664 Redding
203 - 665 Stamford
203 - 666 Bridgeport
203 - 667 Stamford
203 - 668 New Haven
203 - 669 Darien
203 - 670 Waterbury
203 - 671 New Haven
203 - 672 New Haven
203 - 673 Bridgeport
203 - 674 Stamford
203 - 675 New Haven
203 - 676 New Haven
203 - 677 Wallingford
203 - 678 Wallingford
203 - 679 Wallingford
203 - 680 Waterbury
203 - 681 Greenwich
203 - 682 Stamford
203 - 683 Bridgeport
203 - 684 New Haven
203 - 685 Bridgeport
203 - 686 Meriden
203 - 687 New Haven
203 - 688 New Haven
203 - 689 New Haven
203 - 690 Bridgeport
203 - 691 New Haven
203 - 692 Fairfield
203 - 693 Milford
203 - 694 Meriden
203 - 695 Waterbury
203 - 696 Bridgeport
203 - 697 Wallingford
203 - 698 Old Greenwich
203 - 699 Cheshire
203 - 701 New Haven
203 - 702 Danbury
203 - 703 Stamford
203 - 704 Wolcott
203 - 705 Stamford
203 - 706 Waterbury
203 - 707 Waterbury
203 - 708 Stamford
203 - 709 Waterbury
203 - 710 New Haven
203 - 712 Shelton
203 - 713 Milford
203 - 714 Naugatuck
203 - 715 Meriden
203 - 716 Stamford
203 - 717 Greenwich
203 - 718 Cheshire
203 - 719 Stamford
203 - 720 Naugatuck
203 - 721 Waterbury
203 - 722 Norwalk
203 - 723 Naugatuck
203 - 724 Stamford
203 - 725 Waterbury
203 - 726 Bridgeport
203 - 727 Bridgeport
203 - 728 Stamford
203 - 729 Naugatuck
203 - 730 Danbury
203 - 731 Danbury
203 - 732 Ansonia
203 - 733 Danbury
203 - 734 Ansonia
203 - 735 Ansonia
203 - 736 Ansonia
203 - 737 New Haven
203 - 738 Guilford
203 - 739 Danbury
203 - 740 New Fairfield
203 - 741 Wallingford
203 - 742 Greenwich
203 - 743 Danbury
203 - 744 Danbury
203 - 745 New Haven
203 - 746 Danbury
203 - 747 New Haven
203 - 748 Danbury
203 - 749 Danbury
203 - 750 Norwalk
203 - 751 Ansonia
203 - 752 New Haven
203 - 753 Waterbury
203 - 754 Waterbury
203 - 755 Waterbury
203 - 756 Waterbury
203 - 757 Waterbury
203 - 758 Waterbury
203 - 759 Waterbury
203 - 760 Bridgeport
203 - 761 Wilton
203 - 762 Wilton
203 - 763 Fairfield
203 - 764 New Haven
203 - 765 New Haven
203 - 766 New Haven
203 - 767 Bridgeport
203 - 768 Waterbury
203 - 769 Greenwich
203 - 770 Danbury
203 - 771 New Haven
203 - 772 New Haven
203 - 773 New Haven
203 - 774 Wallingford
203 - 775 New Fairfield
203 - 776 New Haven
203 - 777 New Haven
203 - 778 Danbury
203 - 779 Madison
203 - 780 Waterbury
203 - 781 New Haven
203 - 782 New Haven
203 - 783 Milford
203 - 784 New Haven
203 - 785 New Haven
203 - 786 New Haven
203 - 787 New Haven
203 - 788 Danbury
203 - 789 New Haven
203 - 790 Danbury
203 - 791 Danbury
203 - 792 Danbury
203 - 793 Wallingford
203 - 794 Danbury
203 - 795 New Haven
203 - 796 Danbury
203 - 797 Danbury
203 - 798 Danbury
203 - 799 New Haven
203 - 800 New Haven
203 - 801 New Canaan
203 - 802 Waterbury
203 - 803 Norwalk
203 - 804 New Haven
203 - 805 Waterbury
203 - 806 Cheshire
203 - 807 Norwalk
203 - 808 Waterbury
203 - 809 New Haven
203 - 810 Norwalk
203 - 812 New Haven
203 - 813 Greenwich
203 - 814 Bridgeport
203 - 815 New Haven
203 - 816 Trumbull
203 - 817 Stamford
203 - 818 Norwalk
203 - 819 Waterbury
203 - 820 Norwalk
203 - 821 New Haven
203 - 822 Norwalk
203 - 823 New Haven
203 - 824 New Haven
203 - 825 Danbury
203 - 826 Danbury
203 - 827 Old Greenwich
203 - 828 Oxford
203 - 829 Norwalk
203 - 830 Danbury
203 - 831 Norwalk
203 - 832 Stamford
203 - 833 New Haven
203 - 834 Wilton
203 - 835 Norwalk
203 - 836 New Haven
203 - 837 Danbury
203 - 838 Norwalk
203 - 839 Norwalk
203 - 840 Norwalk
203 - 841 Waterbury
203 - 842 Stamford
203 - 843 New Haven
203 - 844 Fairfield
203 - 845 Norwalk
203 - 846 Norwalk
203 - 847 Norwalk
203 - 848 New Haven
203 - 849 Norwalk
203 - 850 New Haven
203 - 851 Norwalk
203 - 852 Norwalk
203 - 853 Norwalk
203 - 854 Norwalk
203 - 855 Norwalk
203 - 856 Norwalk
203 - 857 Norwalk
203 - 858 Norwalk
203 - 859 New Haven
203 - 861 Greenwich
203 - 862 Greenwich
203 - 863 Greenwich
203 - 864 Bridgeport
203 - 865 New Haven
203 - 866 Norwalk
203 - 867 New Haven
203 - 868 New Haven
203 - 869 Greenwich
203 - 870 Bridgeport
203 - 871 Branford
203 - 872 New Haven
203 - 873 Bridgeport
203 - 874 Milford
203 - 875 Darien
203 - 876 Milford
203 - 877 Milford
203 - 878 Milford
203 - 879 Wolcott
203 - 880 Trumbull
203 - 881 Oxford
203 - 882 Milford
203 - 883 Stamford
203 - 884 Guilford
203 - 885 Danbury
203 - 886 Meriden
203 - 887 New Haven
203 - 888 Oxford
203 - 889 New Haven
203 - 890 Stamford
203 - 891 New Haven
203 - 892 Bridgeport
203 - 893 Ansonia
203 - 894 Ridgefield
203 - 895 Trumbull
203 - 896 Madison
203 - 897 Stamford
203 - 898 Darien
203 - 899 Norwalk
203 - 900 Greenwich
203 - 901 New Haven
203 - 902 New Haven
203 - 903 New Haven
203 - 904 Norwalk
203 - 905 Stamford
203 - 906 Ansonia
203 - 907 New Haven
203 - 908 Bridgeport
203 - 909 New Haven
203 - 910 Waterbury
203 - 912 Stamford
203 - 913 Bridgeport
203 - 914 Norwalk
203 - 915 New Haven
203 - 916 Norwalk
203 - 917 Danbury
203 - 918 Stamford
203 - 919 Norwalk
203 - 920 Stamford
203 - 921 Stamford
203 - 922 Shelton
203 - 923 Bridgeport
203 - 924 Shelton
203 - 925 Shelton
203 - 926 Shelton
203 - 927 New Haven
203 - 928 New Haven
203 - 929 Shelton
203 - 930 Greenwich
203 - 931 New Haven
203 - 932 New Haven
203 - 933 New Haven
203 - 934 New Haven
203 - 935 Meriden
203 - 936 New Haven
203 - 937 New Haven
203 - 938 Redding
203 - 939 Norwalk
203 - 940 Stamford
203 - 941 Oxford
203 - 942 Danbury
203 - 943 Norwalk
203 - 944 Shelton
203 - 945 Norwalk
203 - 946 New Haven
203 - 947 Danbury
203 - 948 Danbury
203 - 949 Wallingford
203 - 951 Milford
203 - 952 Norwalk
203 - 953 Bridgeport
203 - 954 Ansonia
203 - 955 Fairfield
203 - 956 Norwalk
203 - 957 Norwalk
203 - 960 Stamford
203 - 961 Stamford
203 - 962 Stamford
203 - 963 Norwalk
203 - 964 Stamford
203 - 965 Stamford
203 - 966 New Canaan
203 - 967 Stamford
203 - 968 Stamford
203 - 969 Stamford
203 - 970 Norwalk
203 - 971 Greenwich
203 - 972 New Canaan
203 - 973 Stamford
203 - 974 New Haven
203 - 975 Stamford
203 - 977 Stamford
203 - 978 Stamford
203 - 979 Stamford
203 - 980 New Haven
203 - 981 Norwalk
203 - 982 Waterbury
203 - 983 Greenwich
203 - 984 Norwalk
203 - 985 Hamden
203 - 986 Old Greenwich
203 - 987 Greenwich
203 - 988 New Haven
203 - 989 Norwalk
203 - 990 Old Greenwich
203 - 991 Norwalk
203 - 992 Greenwich
203 - 993 Bridgeport
203 - 994 Danbury
203 - 995 Bridgeport
203 - 996 New Haven
203 - 997 Ansonia
203 - 998 Stamford
203 - 999 New Haven