Information for Area Code: 857-xxx-xxxx - MA - MASSACHUSETTS
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Information about Area Code 857
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| Location | |
|---|---|
 Location of area code 857 |
|
| Statistics | |
| Created | 2001 |
| LATA Code | 128 |
| Overlays | Area code 617 |
| Major Cities | Boston Cambridge |
| Regions | Boston Metro Area |
| Time zone | Eastern (UTC-5) |
| Summer (DST) | Eastern (UTC-4) |
Area code 857 is an overlay of parts of area code 617. It was added to create more telephone numbers. Consequently, it is mainly used for cellular phones.
Exchanges
The following table lists all local exchanges for area code 857:
| Area Code | Exchange | City/Town it covers | Zip Code |
|---|---|---|---|
| 857 | 201 | ||
| 857 | 203 | West Roxbury | 02132 |
| 857 | 204 | Not Used | |
| 857 | 205 | ||
| 857 | 209 | Cambridge | 02142 |
| 857 | 211 | Not Used | |
| 857 | 212 | ||
| 857 | 217 | ||
| 857 | 220 | Charlestown | 02129 |
| 857 | 221 | Not Used | |
| 857 | 222 | Not Used | |
| 857 | 223 | Oddball Codes | 00000 |
| 857 | 225 | West Roxbury | 02132 |
| 857 | 226 | Not Used | |
| 857 | 227 | Not Used | |
| 857 | 228 | Cambridge | 02138 |
| 857 | 229 | ||
| 857 | 231 | ||
| 857 | 233 | Boston | |
| 857 | 234 | Not Used | |
| 857 | 244 | Cambridge | 02141 |
| 857 | 252 | Charlestown | 02129 |
| 857 | 253 | Charlestown | 02129 |
| 857 | 254 | Charlestown | 02129 |
| 857 | 255 | Charlestown | 02129 |
| 857 | 257 | ||
| 857 | 272 | Boston | 02113 |
| 857 | 277 | Not Used | |
| 857 | 307 | Brookline | 02146 |
| 857 | 311 | Not Used | |
| 857 | 363 | West Roxbury | 02132 |
| 857 | 364 | Charlestown | 02129 |
| 857 | 366 | West Roxbury | 02132 |
| 857 | 373 | Charlestown | 02129 |
| 857 | 383 | Boston | 02215 |
| 857 | 389 | Not Used | |
| 857 | 399 | ||
| 857 | 401 | Charlestown | 02129 |
| 857 | 403 | Boston | 02110 |
| 857 | 411 | Not Used | |
| 857 | 413 | Cambridge | 02142 |
| 857 | 445 | Not Used | |
| 857 | 449 | ||
| 857 | 452 | Not Used | |
| 857 | 453 | Cambridge | 02142 |
| 857 | 472 | ||
| 857 | 488 | West Roxbury | 02132 |
| 857 | 492 | ||
| 857 | 496 | Boston | 02110 |
| 857 | 498 | ||
| 857 | 499 | ||
| 857 | 511 | Not Used | |
| 857 | 523 | West Roxbury | 02132 |
| 857 | 524 | Boston | 02210 |
| 857 | 526 | South Grafton | 01560 |
| 857 | 529 | Not Used | |
| 857 | 540 | Boston | 02134 |
| 857 | 544 | Not Used | |
| 857 | 547 | Charlestown | 02129 |
| 857 | 550 | Not Used | |
| 857 | 554 | Not Used | |
| 857 | 555 | Cambridge | 02141 |
| 857 | 559 | Boston | 02210 |
| 857 | 574 | Cambridge | 02138 |
| 857 | 576 | ||
| 857 | 588 | Boston | 02210 |
| 857 | 598 | Cambridge | 02141 |
| 857 | 611 | Not Used | |
| 857 | 617 | Not Used | |
| 857 | 626 | ||
| 857 | 636 | West Roxbury | 02132 |
| 857 | 700 | Not Used | |
| 857 | 711 | Not Used | |
| 857 | 719 | ||
| 857 | 728 | Boston | 02210 |
| 857 | 753 | West Roxbury | 02132 |
| 857 | 756 | ||
| 857 | 776 | ||
| 857 | 811 | Not Used | |
| 857 | 814 | Cambridge | 02141 |
| 857 | 816 | Cambridge | 02141 |
| 857 | 829 | Boston | 02215 |
| 857 | 857 | Not Used | |
| 857 | 888 | ||
| 857 | 891 | Cambridge | 02139 |
| 857 | 911 | Not Used | |
| 857 | 919 | Not Used | |
| 857 | 920 | Not Used | |
| 857 | 928 | Cambridge | 02139 |
| 857 | 931 | Cambridge | 02141 |
| 857 | 932 | Not Used | |
| 857 | 939 | West Roxbury | 02132 |
| 857 | 940 | Not Used | |
| 857 | 950 | Not Used | |
| 857 | 958 | Not Used | |
| 857 | 959 | Not Used | |
| 857 | 976 | Not Used | |
| 857 | 978 | Concord | 01742 |
| 857 | 991 | ||
| 857 | 995 | Cambridge | 02142 |
| 857 | 997 | ||
| 857 | 998 | West Roxbury | 02132 |