Area Code 667
Area code 667 is in Maryland, USA , spanning 16 counties and serving 251 cities, including Baltimore, Towson or Severn; it currently uses 410 prefixes, assigned from 667-200-XXXX through 667-999-XXXX.
In service since March 24, 2012, area code 667 is an overlay Numbering Plan Area, part of overlay complex 410/443/667.
The current local time is .
For exact NPA boundaries see official 667 area code map
Phone number lookup
More Maryland area codes:
Locate any 667-NXX prefix:
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-200 | Columbia | 12/18/2015 |
| 667-201 | Bel Air | 11/17/2015 |
| 667-202 | Elkton | 2/17/2016 |
| 667-203 | Baltimore | 2/8/2012 |
| 667-204 | Annapolis | 12/29/2016 |
| 667-205 | Baltimore | 2/8/2012 |
| 667-206 | Towson | 7/16/2013 |
| 667-207 | Baltimore | 2/8/2012 |
| 667-208 | Baltimore | 2/8/2012 |
| 667-209 | Baltimore | 2/8/2012 |
| 667-210 | Baltimore | 2/8/2012 |
| 667-212 | Baltimore | 2/8/2012 |
| 667-213 | Baltimore | 2/8/2012 |
| 667-214 | Baltimore | 2/8/2012 |
| 667-215 | Elkton | 9/27/2016 |
| 667-216 | Baltimore | 2/8/2012 |
| 667-217 | Baltimore | 2/8/2012 |
| 667-218 | Baltimore | 2/8/2012 |
| 667-219 | Baltimore | 2/8/2012 |
| 667-220 | Greensboro | 3/24/2017 |
| 667-221 | Salisbury | 6/14/2017 |
| 667-222 | Armiger/ Gibson Island | 8/17/2015 |
| 667-223 | Baltimore | 8/4/2017 |
| 667-224 | Baltimore | 2/8/2012 |
| 667-225 | Annapolis | 7/15/2014 |
| 667-226 | St Michaels | 3/27/2017 |
| 667-227 | Salisbury | 9/15/2017 |
| 667-228 | Aberdeen | 1/21/2015 |
| 667-229 | Aberdeen | 2/18/2016 |
| 667-230 | Centreville | 2/13/2018 |
| 667-231 | Aberdeen | 7/31/2013 |
| 667-232 | Glen Burnie | 4/4/2018 |
| 667-233 | Baltimore | 2/13/2015 |
| 667-234 | Baltimore | 2/8/2012 |
| 667-235 | Salisbury | 6/1/2018 |
| 667-236 | Perryville | 6/11/2018 |
| 667-237 | West River | 6/11/2018 |
| 667-238 | Preston | 6/12/2018 |
| 667-239 | Baltimore | 2/8/2012 |
| 667-240 | Columbia | 11/22/2016 |
| 667-241 | Ridgely | 6/12/2018 |
| 667-242 | Rock Hall | 6/12/2018 |
| 667-243 | Oxford | 6/4/2018 |
| 667-244 | Still Pond | 6/12/2018 |
| 667-245 | Cecilton | 6/12/2018 |
| 667-246 | Centreville | 6/12/2018 |
| 667-247 | Chesapeake City | 6/12/2018 |
| 667-248 | Denton | 6/12/2018 |
| 667-249 | Galena | 6/12/2018 |
| 667-250 | Baltimore | 6/19/2018 |
| 667-251 | Towson | 12/24/2014 |
| 667-252 | Salisbury | 6/19/2018 |
| 667-253 | Salisbury | 3/11/2013 |
| 667-254 | Chestertown | 8/13/2018 |
| 667-255 | Hillsboro | 8/22/2018 |
| 667-256 | Aberdeen | 9/27/2018 |
| 667-257 | Columbia | 11/14/2018 |
| 667-258 | Baltimore | 11/14/2018 |
| 667-259 | Reisterstown | 12/21/2018 |
| 667-260 | Baltimore | 12/29/2014 |
| 667-261 | Columbia | 12/24/2019 |
| 667-262 | Baltimore | 1/22/2019 |
| 667-263 | Dundalk | 3/9/2020 |
| 667-264 | Delmar | 2/20/2019 |
| 667-265 | Vienna | 3/22/2019 |
| 667-266 | Salisbury | 6/20/2017 |
| 667-267 | Annapolis | 10/22/2018 |
| 667-268 | Darlington | 6/19/2019 |
| 667-269 | Elkton | 10/15/2018 |
| 667-270 | Annapolis | 8/16/2019 |
| 667-271 | Salisbury | 9/3/2019 |
| 667-272 | Westminster | 9/18/2019 |
| 667-273 | Pikesville | 10/9/2019 |
| 667-274 | Elkridge | 10/11/2019 |
| 667-275 | Towson | 11/1/2019 |
| 667-276 | Bel Air | 1/27/2020 |
| 667-277 | Sherwood Forest | 5/31/2018 |
| 667-278 | Towson | 3/9/2020 |
| 667-279 | Bishopville | 3/12/2020 |
| 667-280 | Ellicott City | 5/5/2020 |
| 667-281 | Salisbury | 5/25/2016 |
| 667-282 | Tilghman | 5/28/2020 |
| 667-283 | Fork | 7/6/2020 |
| 667-284 | Baltimore | 7/30/2020 |
| 667-285 | Hurlock | 3/24/2017 |
| 667-286 | Salisbury | 8/12/2020 |
| 667-287 | Bishopville | 9/1/2020 |
| 667-288 | Berlin | 9/1/2020 |
| 667-289 | Aberdeen | 9/1/2020 |
| 667-290 | Baltimore | 9/9/2020 |
| 667-291 | Millington | 3/27/2017 |
| 667-292 | Salisbury | 9/9/2020 |
| 667-293 | Sharptown | 9/21/2020 |
| 667-294 | Towson | 9/21/2020 |
| 667-295 | Crofton | 10/15/2018 |
| 667-296 | Reisterstown | 9/22/2020 |
| 667-297 | Edgewood | 12/9/2020 |
| 667-298 | Aberdeen | 1/18/2021 |
| 667-299 | Annapolis | 4/10/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-300 | Columbia | 6/1/2018 |
| 667-301 | Prince Frederick | 1/25/2021 |
| 667-302 | Cecilton | 2/9/2021 |
| 667-303 | Baltimore | 3/11/2013 |
| 667-304 | Essex | 2/22/2021 |
| 667-305 | Pikesville | 5/10/2013 |
| 667-306 | Baltimore | 3/19/2021 |
| 667-307 | Crofton | 4/9/2013 |
| 667-308 | Towson | 11/20/2012 |
| 667-309 | Baltimore | 8/1/2013 |
| 667-310 | Parkville | 4/13/2021 |
| 667-312 | Baltimore | 5/11/2015 |
| 667-313 | Pikesville | 12/16/2015 |
| 667-314 | Westminster | N/A |
| 667-315 | Bel Air | 4/13/2021 |
| 667-316 | Oxford | 4/17/2021 |
| 667-317 | Princess Anne | 4/21/2021 |
| 667-318 | Cockeysville | 5/4/2021 |
| 667-319 | Chestertown | 5/5/2021 |
| 667-320 | Aberdeen | 5/5/2021 |
| 667-321 | Prince Frederick | 6/21/2016 |
| 667-322 | Waterloo | 5/12/2021 |
| 667-323 | Queenstown | 5/25/2021 |
| 667-324 | Randallstown | 6/3/2021 |
| 667-325 | Glen Burnie | 6/11/2021 |
| 667-326 | Church Hill | 12/10/2018 |
| 667-327 | Cambridge | 3/18/2021 |
| 667-328 | Essex | 6/23/2021 |
| 667-329 | Parkton | 6/23/2021 |
| 667-330 | Salisbury | 5/23/2012 |
| 667-331 | Towson | 7/8/2021 |
| 667-332 | New Windsor | 10/15/2018 |
| 667-333 | Armiger/ Gibson Island | 5/14/2015 |
| 667-334 | Aberdeen | 8/26/2021 |
| 667-335 | Baltimore | 8/26/2021 |
| 667-336 | Bel Air | 6/1/2018 |
| 667-337 | Centreville | 3/18/2021 |
| 667-338 | Crofton | 9/1/2021 |
| 667-339 | Sykesville | 9/1/2021 |
| 667-340 | Churchville | 9/1/2021 |
| 667-341 | Delmar | 9/1/2021 |
| 667-342 | Preston | 9/1/2021 |
| 667-343 | Cambridge | 7/28/2021 |
| 667-344 | Chase | N/A |
| 667-345 | Catonsville | 6/4/2018 |
| 667-346 | Salisbury | 10/15/2019 |
| 667-347 | Federalsburg | 3/18/2021 |
| 667-348 | Ridgely | 9/1/2021 |
| 667-349 | Still Pond | 9/1/2021 |
| 667-350 | Wingate | 9/1/2021 |
| 667-351 | Baltimore | 9/27/2021 |
| 667-352 | Aberdeen | 11/14/2016 |
| 667-353 | Cardiff | 9/12/2019 |
| 667-354 | Baltimore | 10/7/2021 |
| 667-355 | Aberdeen | 10/7/2021 |
| 667-356 | Severn | 3/25/2021 |
| 667-357 | Greensboro | 3/18/2021 |
| 667-358 | Easton | 11/1/2021 |
| 667-359 | Columbia | 10/25/2021 |
| 667-360 | Odenton | 3/25/2021 |
| 667-361 | Church Hill | 6/17/2021 |
| 667-362 | Annapolis | 10/18/2018 |
| 667-363 | Sherwood Forest | 3/25/2021 |
| 667-364 | Stevensville | 6/4/2018 |
| 667-365 | Chesapeake City | 5/7/2021 |
| 667-366 | Hampstead | 10/15/2018 |
| 667-367 | Westminster | 5/21/2015 |
| 667-368 | Elkton | 11/17/2021 |
| 667-369 | Catonsville | 11/17/2021 |
| 667-370 | Parkton | 3/25/2021 |
| 667-371 | Ellicott City | 11/22/2021 |
| 667-372 | Cambridge | 10/15/2018 |
| 667-373 | North Beach | 10/15/2018 |
| 667-374 | Waterloo | 12/3/2021 |
| 667-375 | Chase | 12/7/2021 |
| 667-376 | Oxford | 3/18/2021 |
| 667-377 | Rock Hall | 3/18/2021 |
| 667-378 | Essex | 12/7/2021 |
| 667-379 | Baltimore | 12/7/2021 |
| 667-380 | Annapolis | 9/1/2021 |
| 667-381 | Parkville | 12/7/2021 |
| 667-382 | Wingate | 10/16/2018 |
| 667-383 | Towson | 12/7/2021 |
| 667-384 | Salisbury | 12/10/2021 |
| 667-385 | Solomons | 12/10/2021 |
| 667-386 | Arbutus | 12/14/2021 |
| 667-387 | Perryville | 3/25/2021 |
| 667-388 | Severn | 12/15/2021 |
| 667-389 | Cambridge | 1/25/2022 |
| 667-390 | Randallstown | 1/27/2022 |
| 667-391 | Baltimore | 1/27/2022 |
| 667-392 | Aberdeen | 1/27/2022 |
| 667-393 | Millersville | 2/10/2022 |
| 667-394 | New Windsor | 2/22/2022 |
| 667-395 | Cardiff | 2/22/2022 |
| 667-396 | Port Deposit | 3/25/2021 |
| 667-397 | Solomons | 3/25/2021 |
| 667-398 | Port Deposit | 2/22/2022 |
| 667-399 | Union Bridge | 4/10/2020 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-400 | Baltimore | 11/10/2016 |
| 667-401 | Baltimore | 11/20/2012 |
| 667-402 | Baltimore | 12/2/2016 |
| 667-403 | Towson | 9/1/2021 |
| 667-404 | Prince Frederick | 2/25/2022 |
| 667-405 | Glen Burnie | 3/22/2022 |
| 667-406 | Baltimore | 5/18/2022 |
| 667-407 | Baltimore | 5/19/2022 |
| 667-408 | Annapolis | 5/20/2022 |
| 667-409 | Parkville | 8/3/2022 |
| 667-410 | Severn | 8/16/2022 |
| 667-412 | Easton | 8/16/2022 |
| 667-413 | Armiger/ Gibson Island | 8/16/2022 |
| 667-414 | Baltimore | 9/28/2022 |
| 667-415 | Aberdeen | 10/11/2022 |
| 667-416 | Essex | 10/18/2022 |
| 667-417 | Glenburnie | 10/25/2022 |
| 667-418 | Greensboro | 10/27/2022 |
| 667-419 | Catonsville | 11/8/2022 |
| 667-420 | Federalsburg | 11/23/2022 |
| 667-421 | Columbia | 12/7/2022 |
| 667-422 | Baltimore | 12/16/2022 |
| 667-423 | Annapolis | 01/06/2023 |
| 667-424 | Odenton | 02/08/2023 |
| 667-425 | Baltimore | 02/10/2023 |
| 667-426 | Taneytown | 3/25/2021 |
| 667-427 | West River | 3/25/2021 |
| 667-428 | Salisbury | 02/10/2023 |
| 667-429 | Pikesville | 02/13/2023 |
| 667-430 | Pikesville | 04/05/2023 |
| 667-431 | Arbutus | 04/13/2023 |
| 667-432 | Catonsville | 04/20/2023 |
| 667-433 | Catonsville | 05/03/2023 |
| 667-434 | Baltimore | 05/05/2023 |
| 667-435 | Baltimore | 05/17/2023 |
| 667-436 | Towson | 05/19/2023 |
| 667-437 | Baltimore | 06/28/2023 |
| 667-438 | Catonsville | 07/19/2023 |
| 667-439 | Pikesville | 07/20/2023 |
| 667-440 | Baltimore | 07/25/2023 |
| 667-441 | Parkville | 07/26/2023 |
| 667-442 | Essex | 08/02/2023 |
| 667-443 | Chase | 10/19/2023 |
| 667-444 | Baltimore | 8/17/2015 |
| 667-445 | Catonsville | 08/09/2023 |
| 667-446 | Elkridge | 3/1/2022 |
| 667-447 | Columbia | 08/23/2023 |
| 667-448 | Reisterstown | 08/25/2023 |
| 667-449 | Preston | 08/31/2023 |
| 667-450 | Aberdeen | 08/31/2023 |
| 667-451 | Fork | 09/11/2023 |
| 667-452 | Catonsville | 09/14/2023 |
| 667-453 | Prince Frederick | 09/20/2023 |
| 667-454 | Bel Air | 10/17/2023 |
| 667-455 | Edgewood | 10/24/2023 |
| 667-456 | Dundalk | 11/06/2023 |
| 667-457 | Church Hill | 11/21/2023 |
| 667-458 | Annapolis | 5/10/2016 |
| 667-459 | Oxford | 11/21/2023 |
| 667-460 | Pikesville | 11/28/2023 |
| 667-461 | Baltimore | 12/01/2023 |
| 667-462 | Elkton | 12/01/2023 |
| 667-463 | Darlington | 12/27/2023 |
| 667-464 | Baltimore | 1/28/2022 |
| 667-465 | Aberdeen | 01/11/2024 |
| 667-466 | Havre De Grace | 2/24/2022 |
| 667-467 | Denton | 6/17/2021 |
| 667-468 | Nanticoke | 3/1/2022 |
| 667-469 | Bel Air | 02/02/2024 |
| 667-470 | Glen Burnie | 03/08/2024 |
| 667-471 | Pikesville | 03/14/2024 |
| 667-472 | Princess Anne | 03/18/2024 |
| 667-473 | Solomons | 10/16/2018 |
| 667-474 | Armiger/ Gibson Island | 03/20/2024 |
| 667-475 | Crofton | 03/21/2024 |
| 667-476 | Glenwood | 3/25/2021 |
| 667-477 | Hampstead | 3/25/2021 |
| 667-478 | Sykesville | 03/21/2024 |
| 667-479 | Ellicott City | 03/21/2024 |
| 667-480 | Waterloo | 03/26/2024 |
| 667-481 | Aberdeen | 03/29/2024 |
| 667-482 | Catonsville | 05/01/2024 |
| 667-483 | Deal Island | 3/4/2022 |
| 667-484 | Westminster | 05/08/2024 |
| 667-485 | Cambridge | 05/17/2024 |
| 667-486 | Prince Frederick | 05/17/2024 |
| 667-487 | Baltimore | 05/20/2024 |
| 667-488 | Salisbury | 05/20/2024 |
| 667-489 | Hampstead | 06/13/2024 |
| 667-490 | Pikesville | 06/27/2024 |
| 667-491 | Pikesville | 09/03/2024 |
| 667-492 | Severn | 05/31/2024 |
| 667-493 | Annapolis | 09/24/2024 |
| 667-494 | Aberdeen | 10/29/2024 |
| 667-495 | Baltimore | 11/01/2024 |
| 667-496 | Salisbury | 11/06/2024 |
| 667-497 | Ocean City | 10/22/2024 |
| 667-498 | Arbutus | 11/21/2024 |
| 667-499 | Pikesville | 12/02/2024 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-500 | Annapolis | 6/1/2018 |
| 667-501 | Dundalk | 12/19/2024 |
| 667-502 | Columbia | 12/27/2024 |
| 667-503 | Baltimore | 01/29/2025 |
| 667-504 | Baltimore | 02/10/2025 |
| 667-505 | Pikesville | 02/20/2025 |
| 667-506 | Baltimore | 03/07/2025 |
| 667-507 | Severn | 03/27/2025 |
| 667-508 | Woodlawn | 04/29/2025 |
| 667-509 | Severna Park | 05/14/2025 |
| 667-510 | Pikesville | 05/15/2025 |
| 667-512 | Pikesville | 05/15/2025 |
| 667-513 | Baltimore | 05/20/2025 |
| 667-514 | Baltimore | 05/20/2025 |
| 667-517 | Catonsville | 10/21/2024 |
| 667-526 | Centreville | 3/3/2022 |
| 667-529 | Hurlock | 6/3/2021 |
| 667-545 | Warwick | 10/16/2018 |
| 667-566 | Stevensville | 9/15/2022 |
| 667-567 | Havre De Grace | 3/25/2021 |
| 667-576 | Jarrettsville | 3/25/2021 |
| 667-577 | Elkton | 7/15/2020 |
| 667-596 | Pikesville | 11/06/2024 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-600 | Baltimore | 9/22/2015 |
| 667-622 | Pikesville | 3/23/2022 |
| 667-626 | Catonsville | 3/1/2022 |
| 667-627 | Annapolis | 10/18/2018 |
| 667-644 | Severna Park | 4/26/2021 |
| 667-646 | Annapolis | 2/11/2021 |
| 667-647 | North East | 4/26/2021 |
| 667-653 | Brooklyn Park/ Linthicum | 12/11/2018 |
| 667-656 | Edgewood | 5/27/2021 |
| 667-657 | Chase | 3/25/2021 |
| 667-660 | Marion | 10/10/2019 |
| 667-661 | Snow Hill | 10/10/2019 |
| 667-662 | Smith Island | 10/10/2019 |
| 667-663 | Ocean City | 10/10/2019 |
| 667-664 | Trappe | 10/10/2019 |
| 667-665 | Hillsboro | 6/17/2021 |
| 667-666 | West River | 3/30/2016 |
| 667-668 | Fallston | 4/26/2021 |
| 667-669 | Galena | 6/17/2021 |
| 667-670 | Sudlersville | 3/18/2021 |
| 667-676 | Willards | 9/21/2020 |
| 667-677 | Baltimore | 5/8/2015 |
| 667-678 | Columbia | 8/31/2021 |
| 667-686 | Ellicott City | 10/15/2018 |
| 667-687 | Warwick | 3/18/2021 |
| 667-688 | Parkville | 7/15/2020 |
| 667-693 | Vienna | 3/23/2022 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-701 | Elkridge | 10/19/2015 |
| 667-706 | Elkton | 5/23/2016 |
| 667-722 | Glenwood | 10/15/2018 |
| 667-727 | Sudlersville | 10/16/2018 |
| 667-737 | Perryville | 3/1/2022 |
| 667-743 | Queenstown | 3/9/2022 |
| 667-746 | Glenwood | 2/24/2022 |
| 667-755 | Pikesville | 9/29/2021 |
| 667-758 | Silver Run | 7/15/2020 |
| 667-766 | Stevensville | 3/18/2021 |
| 667-767 | St Michaels | 3/18/2021 |
| 667-770 | Baltimore | 7/23/2015 |
| 667-771 | Baltimore | 12/4/2015 |
| 667-772 | Sparks Glencoe | 4/26/2021 |
| 667-775 | Millington | 6/17/2021 |
| 667-776 | Baltimore | 9/24/2019 |
| 667-777 | Severna Park | 7/8/2014 |
| 667-778 | Sparrows Point | 4/26/2021 |
| 667-786 | Columbia | 11/4/2015 |
| 667-788 | Westminster | 10/22/2021 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-800 | Salisbury | 8/16/2016 |
| 667-802 | Catonsville | 2/20/2015 |
| 667-803 | Solomons | 8/16/2013 |
| 667-808 | Easton | 8/23/2016 |
| 667-810 | Salisbury | 3/3/2021 |
| 667-812 | Waterloo | 8/14/2015 |
| 667-824 | Edgewood | 1/13/2022 |
| 667-827 | Berlin | 3/14/2022 |
| 667-832 | Brooklyn Park/ Linthicum | 2/24/2022 |
| 667-837 | Port Deposit | 10/16/2018 |
| 667-842 | Woodlawn | 7/15/2020 |
| 667-843 | Deal Island | 12/10/2018 |
| 667-846 | Cockeysville | 2/24/2022 |
| 667-848 | Aberdeen | 3/18/2021 |
| 667-853 | Pocomoke | 9/12/2019 |
| 667-855 | Salisbury | 2/22/2019 |
| 667-856 | Dundalk | 3/1/2022 |
| 667-866 | Darlington | 6/4/2018 |
| 667-867 | Baltimore | 6/20/2017 |
| 667-868 | Crisfield | 3/9/2018 |
| 667-876 | Annapolis | 10/18/2018 |
| 667-877 | Pikesville | 9/15/2022 |
| 667-887 | Worthington | 3/25/2021 |
| 667-888 | Baltimore | 7/28/2014 |
| 667-890 | Odenton | 06/14/2023 |
| 667-891 | Odenton | 06/14/2023 |
| 667-892 | Odenton | 06/14/2023 |
| 667-893 | Odenton | 06/14/2023 |
| 667-894 | Odenton | 06/14/2023 |
| 667-895 | Baltimore | 10/15/2020 |
| 667-897 | Chesapeake City | 3/30/2022 |
| 667-899 | Baltimore | 10/25/2021 |
| NPANXX | Area Served1 | Date2 |
|---|---|---|
| 667-900 | Baltimore | 2/20/2019 |
| 667-910 | Baltimore | 3/3/2021 |
| 667-925 | Bel Air | 9/23/2021 |
| 667-930 | Baltimore | 3/17/2015 |
| 667-942 | Aberdeen | 2/7/2022 |
| 667-946 | Churchville | 10/15/2018 |
| 667-962 | North Beach | 3/25/2021 |
| 667-966 | New Windsor | 3/25/2021 |
| 667-967 | Glen Burnie | 11/22/2016 |
| 667-977 | Salisbury | 7/2/2020 |
| 667-999 | Elkridge | 3/23/2015 |
- For 'Area served' we list the rate center. In the North American Numbering Plan a rate center is a geographic area used to determine local calling boundaries for billing purposes. Its name is generally a locality, often not the only one served by an NPA-NXX combination.
- Assignment date. N/A - mostly central office codes assigned before 2001.
- NXX prefixes last updated: June 3, 2025
Cities in area code 667
| City1 | County | Time Zone2 |
|---|---|---|
| Aberdeen | Harford | E |
| Aberdeen Proving Ground | Harford | E |
| Abingdon | Harford | E |
| Allen | Wicomico | E |
| Annapolis | Anne Arundel | E |
| Annapolis Junction | Howard | E |
| Arnold | Anne Arundel | E |
| Baldwin | Baltimore | E |
| Baltimore | Baltimore City | E |
| Barclay | Queen Annes | E |
| Barstow | Calvert | E |
| Bel Air | Harford | E |
| Belcamp | Harford | E |
| Benson | Harford | E |
| Berlin | Worcester | E |
| Bethlehem | Caroline | E |
| Betterton | Kent | E |
| Bishopville | Worcester | E |
| Bivalve | Wicomico | E |
| Boring | Baltimore | E |
| Bozman | Talbot | E |
| Brooklandville | Baltimore | E |
| Brooklyn | Baltimore City | E |
| Broomes Island | Calvert | E |
| Butler | Baltimore | E |
| Cambridge | Dorchester | E |
| Catonsville | Baltimore | E |
| Cecilton | Cecil | E |
| Centreville | Queen Annes | E |
| Charlestown | Cecil | E |
| Chase | Baltimore | E |
| Chesapeake Beach | Calvert | E |
| Chesapeake City | Cecil | E |
| Chester | Queen Annes | E |
| Chestertown | Kent | E |
| Childs | Cecil | E |
| Church Creek | Dorchester | E |
| Church Hill | Queen Annes | E |
| Churchton | Anne Arundel | E |
| Churchville | Harford | E |
| Claiborne | Talbot | E |
| Clarksville | Howard | E |
| Cockeysville | Baltimore | E |
| Colora | Cecil | E |
| Columbia | Howard | E |
| Conowingo | Cecil | E |
| Cooksville | Howard | E |
| Cordova | Talbot | E |
| Crapo | Dorchester | E |
| Crisfield | Somerset | E |
| Crocheron | Dorchester | E |
| Crofton | Anne Arundel | E |
| Crownsville | Anne Arundel | E |
| Crumpton | Queen Annes | E |
| Curtis Bay | Anne Arundel | E |
| Darlington | Harford | E |
| Davidsonville | Anne Arundel | E |
| Dayton | Howard | E |
| Deal Island | Somerset | E |
| Deale | Anne Arundel | E |
| Delmar | Wicomico | E |
| Denton | Caroline | E |
| Dhs | Howard | E |
| Dowell | Calvert | E |
| Dundalk | Baltimore | E |
| Dunkirk | Calvert | E |
| Earleville | Cecil | E |
| East New Market | Dorchester | E |
| Easton | Talbot | E |
| Eden | Worcester | E |
| Edgewater | Anne Arundel | E |
| Edgewood | Harford | E |
| Elk Mills | Cecil | E |
| Elkridge | Howard | E |
| Elkton | Cecil | E |
| Ellicott City | Howard | E |
| Essex | Baltimore | E |
| Ewell | Somerset | E |
| Fallston | Harford | E |
| Federalsburg | Caroline | E |
| Finksburg | Carroll | E |
| Fishing Creek | Dorchester | E |
| Forest Hill | Harford | E |
| Fork | Baltimore | E |
| Fort George G Meade | Anne Arundel | E |
| Fort Howard | Baltimore | E |
| Freeland | Baltimore | E |
| Fruitland | Wicomico | E |
| Fulton | Howard | E |
| Galena | Kent | E |
| Galesville | Anne Arundel | E |
| Gambrills | Anne Arundel | E |
| Georgetown | Cecil | E |
| Gibson Island | Anne Arundel | E |
| Girdletree | Worcester | E |
| Glen Arm | Baltimore | E |
| Glen Burnie | Anne Arundel | E |
| Glenelg | Howard | E |
| Glenwood | Howard | E |
| Glyndon | Baltimore | E |
| Goldsboro | Caroline | E |
| Grasonville | Queen Annes | E |
| Greensboro | Caroline | E |
| Gunpowder | Harford | E |
| Gwynn Oak | Baltimore | E |
| Halethorpe | Baltimore | E |
| Hampstead | Carroll | E |
| Hanover | Anne Arundel | E |
| Harmans | Anne Arundel | E |
| Harwood | Anne Arundel | E |
| Havre De Grace | Harford | E |
| Hebron | Wicomico | E |
| Henderson | Caroline | E |
| Hillsboro | Caroline | E |
| Hunt Valley | Baltimore | E |
| Huntingtown | Calvert | E |
| Hurlock | Dorchester | E |
| Hydes | Baltimore | E |
| Ingleside | Queen Annes | E |
| Jarrettsville | Harford | E |
| Jessup | Howard | E |
| Joppa | Harford | E |
| Kennedyville | Kent | E |
| Keymar | Carroll | E |
| Kingsville | Baltimore | E |
| Lineboro | Carroll | E |
| Linkwood | Dorchester | E |
| Linthicum Heights | Anne Arundel | E |
| Lisbon | Howard | E |
| Long Green | Baltimore | E |
| Lothian | Anne Arundel | E |
| Lusby | Calvert | E |
| Lutherville Timonium | Baltimore | E |
| Madison | Dorchester | E |
| Manchester | Carroll | E |
| Manokin | Somerset | E |
| Mardela Springs | Wicomico | E |
| Marion Station | Somerset | E |
| Marriottsville | Carroll | E |
| Marydel | Caroline | E |
| Maryland Line | Baltimore | E |
| Massey | Kent | E |
| Mayo | Anne Arundel | E |
| McDaniel | Talbot | E |
| Middle River | Baltimore | E |
| Millersville | Anne Arundel | E |
| Millington | Kent | E |
| Monkton | Baltimore | E |
| Nanticoke | Wicomico | E |
| Neavitt | Talbot | E |
| New Windsor | Carroll | E |
| Newark | Worcester | E |
| Newcomb | Talbot | E |
| North Beach | Calvert | E |
| North East | Cecil | E |
| Nottingham | Baltimore | E |
| Ocean City | Worcester | E |
| Odenton | Anne Arundel | E |
| Owings Mills | Baltimore | E |
| Oxford | Talbot | E |
| Parkton | Baltimore | E |
| Parkville | Baltimore | E |
| Parsonsburg | Wicomico | E |
| Pasadena | Anne Arundel | E |
| Perry Hall | Baltimore | E |
| Perry Point | Cecil | E |
| Perryman | Harford | E |
| Perryville | Cecil | E |
| Phoenix | Baltimore | E |
| Pikesville | Baltimore | E |
| Pittsville | Wicomico | E |
| Pocomoke City | Worcester | E |
| Port Deposit | Cecil | E |
| Port Republic | Calvert | E |
| Powellville | Wicomico | E |
| Preston | Caroline | E |
| Price | Queen Annes | E |
| Prince Frederick | Calvert | E |
| Princess Anne | Somerset | E |
| Pylesville | Harford | E |
| Quantico | Wicomico | E |
| Queen Anne | Queen Annes | E |
| Queenstown | Queen Annes | E |
| Randallstown | Baltimore | E |
| Rehobeth | Somerset | E |
| Reisterstown | Baltimore | E |
| Rhodesdale | Dorchester | E |
| Riderwood | Baltimore | E |
| Ridgely | Caroline | E |
| Rising Sun | Cecil | E |
| Riva | Anne Arundel | E |
| Rock Hall | Kent | E |
| Rosedale | Baltimore | E |
| Royal Oak | Talbot | E |
| Salisbury | Wicomico | E |
| Savage | Howard | E |
| Secretary | Dorchester | E |
| Severn | Anne Arundel | E |
| Severna Park | Anne Arundel | E |
| Shady Side | Anne Arundel | E |
| Sharptown | Wicomico | E |
| Sherwood | Talbot | E |
| Showell | Worcester | E |
| Simpsonville | Howard | E |
| Snow Hill | Worcester | E |
| Solomons | Calvert | E |
| Sparks Glencoe | Baltimore | E |
| Sparrows Point | Baltimore | E |
| St Leonard | Calvert | E |
| St Michaels | Talbot | E |
| Stevenson | Baltimore | E |
| Stevensville | Queen Annes | E |
| Still Pond | Kent | E |
| Stockton | Worcester | E |
| Street | Harford | E |
| Sudlersville | Queen Annes | E |
| Sunderland | Calvert | E |
| Sykesville | Carroll | E |
| Taneytown | Carroll | E |
| Taylors Island | Dorchester | E |
| Templeville | Caroline | E |
| Tilghman | Talbot | E |
| Toddville | Dorchester | E |
| Towson | Baltimore | E |
| Tracys Landing | Anne Arundel | E |
| Trappe | Talbot | E |
| Tyaskin | Wicomico | E |
| Tylerton | Somerset | E |
| Union Bridge | Carroll | E |
| Upper Fairmount | Somerset | E |
| Upper Falls | Baltimore | E |
| Upperco | Baltimore | E |
| Vienna | Dorchester | E |
| Warwick | Cecil | E |
| West Friendship | Howard | E |
| West River | Anne Arundel | E |
| Westminster | Carroll | E |
| Westover | Somerset | E |
| Whaleyville | Worcester | E |
| White Hall | Harford | E |
| White Marsh | Baltimore | E |
| Whiteford | Harford | E |
| Willards | Wicomico | E |
| Windsor Mill | Baltimore | E |
| Wingate | Dorchester | E |
| Wittman | Talbot | E |
| Woodbine | Howard | E |
| Woodstock | Howard | E |
| Woolford | Dorchester | E |
| Worton | Kent | E |
| Wye Mills | Talbot | E |
- Listed above are most places served by USA area code 667. When multiple places in a US state share the same name we list the largest one only. Cities with population over 50,000 are displayed in bold text.
- E stands for Eastern Time (currently ).