National Phone Number Registry NPNR

Phone Number Area Code 301

Area code 301 is located in Maryland.

(301)
Enter 7-digit phone number for area code 301 or the complete 10-digit phone number

Phone Prefixes for Area Code 301

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Area code Location Company / Service Provider
301-200 INDIANHEAD, MD BANDWIDTH.COM CLEC, LLC - MD
301-202 WASHINGTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
301-203 WASHINGTON, MD VERIZON MARYLAND, INC.
301-204 WASHINGTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
301-205 Washington, MD VERIZON MARYLAND, INC.
301-206 WASHINGTON COUNTY, MD VERIZON MARYLAND, INC.
301-207 WASHINGTON COUNTY, MD USA MOBILITY WIRELESS, INC.
301-208 GAITHERSBURG, MD VERIZON MARYLAND, INC.
301-209 WASHINGTON, MD VERIZON MARYLAND, INC.
301-210 LAUREL, MD VERIZON MARYLAND, INC.
301-212 WASHINGTON, MD VERIZON MARYLAND, INC.
301-213 Washington, MD SPRINT SPECTRUM L.P.
301-214 WASHINGTON, MD VERIZON MARYLAND, INC.
301-215 WASHINGTON, MD VERIZON MARYLAND, INC.
301-216 GAITHERSBURG, MD VERIZON MARYLAND, INC.
301-217 WASHINGTON, MD VERIZON MARYLAND, INC.
301-218 Washington, MD VERIZON MARYLAND, INC.
301-219 WASHINGTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
301-220 WASHINGTON COUNTY, MD VERIZON MARYLAND, INC.
301-221 WASHINGTON, MD NEW CINGULAR WIRELESS PCS, LLC - DC
301-222 WASHINGTON, MD CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD
301-223 Williamsport, MD VERIZON MARYLAND, INC.
301-224 WASHINGTON, MD USA MOBILITY WIRELESS, INC.
301-225 Washington, MD TELEPORT COMMUNICATIONS AMERICA, LLC - DC
301-226 WASHINGTON, MD VERIZON MARYLAND, INC.
301-227 WASHINGTON, MD VERIZON MARYLAND, INC.
301-228 FREDERICK, MD VERIZON MARYLAND, INC.
301-229 WASHINGTON, MD VERIZON MARYLAND, INC.
301-230 WASHINGTON, MD VERIZON MARYLAND, INC.
301-231 WASHINGTON, MD VERIZON MARYLAND, INC.
301-232 Ashton, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
301-233 Washington, MD CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD
301-234 WASHINGTON, MD VERIZON MARYLAND, INC.
301-235 WASHINGTON, MD MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-236 WASHINGTON, MD VERIZON MARYLAND, INC.
301-237 Washington, MD SPRINT SPECTRUM L.P.
301-238 WASHINGTON, MD VERIZON MARYLAND, INC.
301-239 WASHINGTON, MD VERIZON MARYLAND, INC.
301-240 WASHINGTON, MD VERIZON MARYLAND, INC.
301-241 HIGHFIELD, MD VERIZON MARYLAND, INC.
301-242 BRANDYWINE, MD MCIMETRO ACCESS TRANSMISSION SERVICES LLC
301-243 WASHINGTON, MD VERIZON MARYLAND, INC.
301-244 Washington, MD TELCOVE OPERATIONS, INC. - MD
301-245 BITTINGER, MD VERIZON MARYLAND, INC.
301-246 NANJEMOY, MD VERIZON MARYLAND, INC.
301-247 Leonardtown, MD NEW CINGULAR WIRELESS PCS, LLC - DC
301-248 WASHINGTON, MD VERIZON MARYLAND, INC.
301-249 Washington, MD VERIZON MARYLAND, INC.
301-250 GAITHERSBURG, MD MCI WORLDCOM COMMUNICATIONS, INC. - MD
301-251 WASHINGTON, MD VERIZON MARYLAND, INC.

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