These numbers are usually found in Maryland
667-200 → Columbia, MD
667-201 → Bel Air, MD
667-202 → Chesapeake City, MD
667-203 → Baltimore, MD
667-204 → Annapolis, MD
667-205 → Baltimore, MD
667-206 → Towson, MD
667-207 → Baltimore, MD
667-208 → Baltimore, MD
667-209 → Baltimore, MD
667-210 → Baltimore, MD
667-212 → Baltimore, MD
667-213 → Baltimore, MD
667-214 → Baltimore, MD
667-215 → Chesapeake City, MD
667-216 → Baltimore, MD
667-217 → Baltimore, MD
667-218 → Baltimore, MD
667-219 → Baltimore, MD
667-220 → Greensboro, MD
667-221 → Salisbury, MD
667-222 → Baltimore, MD
667-223 → Baltimore City, MD
667-224 → Baltimore, MD
667-225 → Annapolis, MD
667-226 → Saint Michaels, MD
667-227 → Wicomico, MD
667-228 → Aberdeen Proving Ground, MD
667-229 → Havre De Grace, MD
667-231 → Aberdeen Proving Ground, MD
667-233 → Baltimore, MD
667-234 → Baltimore, MD
667-239 → Baltimore, MD
667-240 → Columbia, MD
667-251 → Baltimore, MD
667-253 → Salisbury, MD
667-260 → Baltimore, MD
667-266 → Salisbury, MD
667-281 → Salisbury, MD
667-285 → Hurlock, MD
667-291 → Millington, MD
667-303 → Baltimore, MD
667-305 → Pikesville, MD
667-307 → Crofton, MD
667-308 → Baltimore, MD
667-309 → Baltimore, MD
667-312 → Baltimore, MD
667-313 → Baltimore, MD
667-314 → Westminster, MD
667-321 → Port Republic, MD
667-330 → Salisbury, MD
667-333 → Baltimore, MD
667-344 → Middle River, MD
667-352 → Aberdeen Proving Ground, MD
667-367 → Westminster, MD
667-400 → Baltimore, MD
667-401 → Baltimore, MD
667-402 → Baltimore, MD
667-444 → Baltimore, MD
667-458 → Annapolis, MD
667-600 → Baltimore, MD
667-666 → West River, MD
667-677 → Baltimore, MD
667-701 → Elkridge, MD
667-706 → Elkton, MD
667-770 → Baltimore, MD
667-771 → Baltimore, MD
667-777 → Severna Park, MD
667-786 → Columbia, MD
667-800 → Salisbury, MD
667-802 → Catonsville, MD
667-803 → Solomons, MD
667-808 → Easton, MD
667-812 → Laurel, MD
667-867 → Baltimore, MD
667-888 → Baltimore, MD
667-930 → Baltimore, MD
667-967 → Baltimore, MD
667-999 → Baltimore, MD