NRNumberResearch Membership · Data 09/17/2026

← Area code 301

VERIZON MARYLAND, INC.

465 prefixes in 301 · initial assignments from the NANPA CO code file, 09/17/2026

Prefixes held by VERIZON MARYLAND, INC. in area code 301
NPA-NXXRate centerOCNAssignedPooled
301-203 WSHNGTNZN6 9212 — —
301-205 WSNG238Z14 9212 — Yes
301-206 WSNG236Z13 9212 — —
301-208 GAITHERSBG 9212 — —
301-209 WSHNGTNZN4 9212 — —
301-210 LAUREL236 9212 — —
301-212 WSNGTNZN10 9212 — Yes
301-214 WSHNGTNZN2 9212 — —
301-215 WSHNGTNZN2 9212 — Yes
301-216 GAITHERSBG 9212 — —
301-217 WSNGTNZN10 9212 — —
301-218 WSNG236Z14 9212 — —
301-220 WSNG236Z13 9212 — Yes
301-223 WILLIAMSPT 9212 — Yes
301-226 WSHNGTNZN4 9212 — —
301-227 WSHNGTNZN2 9212 — —
301-228 FREDERICK 9212 — Yes
301-229 WSHNGTNZN2 9212 — —
301-230 WSNGTNZN11 9212 — —
301-231 WSNGTNZN11 9212 — Yes
301-234 WSNGTNZN16 9212 — Yes
301-236 WSNGTNZN12 9212 — —
301-238 WSNGTNZN16 9212 — Yes
301-239 WSHNGTNZN4 9212 — —
301-240 WSNGTNZN10 9212 — Yes
301-241 HIGHFIELD 9212 — Yes
301-243 WSHNGTNZN2 9212 2006-07-20 Yes
301-245 BITTINGER 9212 — Yes
301-246 NANJEMOY 9212 — Yes
301-248 WSHNGTNZN6 9212 — —
301-249 WSNG236Z14 9212 — —
301-251 WSNGTNZN10 9212 — —
301-253 DAMASCS236 9212 — —
301-255 WSNGTNZN11 9212 — Yes
301-258 WSNGTNZN10 9212 — —
301-259 TOMPKINSVL 9212 — Yes
301-260 ASHTON236 9212 — Yes
301-261 WSNG238Z14 9212 — —
301-262 WSNG236Z14 9212 — —
301-263 WSHNGTNZN2 9212 — Yes
301-264 MT SAVAGE 9212 — Yes
301-265 WSHNGTNZN6 9212 — Yes
301-270 WSHNGTNZN3 9212 — —
301-271 THURMONT 9212 — Yes
301-274 HUGHESVL 9212 — Yes
301-277 WSHNGTNZN4 9212 — —
301-279 WSNGTNZN10 9212 — —
301-280 WSHNGTNZN2 9212 — —
301-282 WSNGTNZN12 9212 — —
301-283 WSHNGTNZN6 9212 — Yes
301-285 WSHNGTNZN3 9212 — —
301-286 WSNG236Z13 9212 — —
301-290 MECHANCSVL 9212 — Yes
301-292 WSHNGTNZN6 9212 — —
301-293 MYERSVILLE 9212 — —
301-294 WSNGTNZN10 9212 — —
301-295 WSHNGTNZN2 9212 — —
301-297 WSNGTNZN16 9212 — Yes
301-299 WSNGTNZN10 9212 — —
301-306 WSHNGTNZN4 9212 — —
301-307 WSNG238Z13 9212 — Yes
301-309 WSNGTNZN10 9212 — Yes
301-310 LAUREL238 9212 — Yes
301-313 WSNG236Z13 9212 — Yes
301-315 WSNGTNZN10 9212 — —
301-316 WSHNGTNZN5 9212 — Yes
301-317 LAUREL236 9212 — —
301-319 WSHNGTNZN2 9212 — —
301-320 WSHNGTNZN2 9212 — —
301-322 WSHNGTNZN4 9212 — —
301-324 WSHNGTNZN5 9212 — —
301-330 GAITHERSBG 9212 — —
301-333 WSHNGTNZN5 9212 — —
301-334 OAKLAND 9212 — —
301-336 WSHNGTNZN5 9212 — —
301-340 WSNGTNZN10 9212 — —
301-341 WSHNGTNZN4 9212 — —
301-342 LXTNPKGRML 9212 — —
301-344 WSNG236Z13 9212 — —
301-345 WSNG236Z13 9212 — —
301-347 WSHNGTNZN2 9212 — Yes
301-349 POOLESVL 9212 — Yes
301-350 WSHNGTNZN5 9212 — —
301-352 WSNG236Z14 9212 — —
301-353 WSNGTNZN10 9212 — —
301-355 GAITHERSBG 9212 2005-12-08 Yes
301-359 WESTERNPT 9212 — Yes
301-360 FREDERICK 9212 — Yes
301-362 LAUREL236 9212 — —
301-365 WSHNGTNZN2 9212 — —
301-368 DAMASCS236 9212 — Yes
301-369 WSNG236Z13 9212 — —
301-371 MIDDLETOWN 9212 — Yes
301-372 WSNGTNZN16 9212 — Yes
301-373 LEONARDTN 9212 — Yes
301-374 WALDORF 9212 — Yes
301-375 INDIANHEAD 9212 — Yes
301-376 LAUREL236 9212 — —
301-380 WSHNGTNZN2 9212 — —
301-382 WSNGTNZN11 9212 — —

These are initial assignees from NANPA CO-code records — because of number portability, the current serving carrier of individual numbers may differ. Bulk export requires a membership.