Cape Cod & Islands Telephone Exchanges
| Barnstable | | 362, 364, 367, 375, 437, 685, 744 | |
Brewster | | 896, 240, 255, 385 |
| Bourne | | 759, 743 | |
Buzzards Bay | | 759, 743 |
| Cataumet | | 296, 356, 392, 403, 445, 563, 564, 566, 968 | |
Chatham | | 241, 348, 469, 593, 945 |
| Dennis | | 258, 385, 394, 398, 470, 619, 694, 760 | |
Falmouth | | 274, 289, 299, 388, 444, 457, 495, 524, 540, 548, 891 |
| Harwich | | 430, 432, 632 | |
Hyannis (Barnstable) | | 280, 360, 418, 534, 568, 582, 737, 771, 775, 778, 790, 815, 827, 862, 957 |
| Mashpee | | 477, 539 | |
Naushon Island | | 299 |
| Orleans & Eastham | | 237, 240, 246, 247, 255, 288, 666 | |
Osterville (Barnstable) | | 292, 419, 420, 428, 477, 539, 648, 681, 777 |
| Plymouth | | 209, 224, 442, 503, 591, 732, 746, 747, 830, 927 | |
Provincetown | | 413, 487, 750 |
| Sagamore & Sandwich | | 833, 888 | |
Wareham | | 273, 291, 295, 317, 322 |
| Wellfleet | | 214, 349, 514, 664, 905 |
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