Maryland Phone Prefixes in 240-2XX Area Code

Phone Prefixes in the 240-2XX Area Code

Prefix Usage Primary City
(240) 252 Landline Gaithersburg
(240) 264 Landline Beltsville
(240) 275 Landline Grantsville
(240) 218 Landline Nanjemoy
(240) 292 Landline Kensington
(240) 260 Landline Mount Rainier
(240) 253 Landline Mount Rainier
(240) 229 Landline Waldorf
(240) 204 Wireless Bethesda
(240) 258 Landline Ridge
(240) 270 Wireless Waldorf
(240) 284 Landline Frostburg
(240) 220 Landline Poolesville
(240) 216 Wireless Waldorf
(240) 224 Wireless Gaithersburg
(240) 298 Wireless Leonardtown
(240) 228 Landline Laurel
(240) 257 Landline Nanjemoy
(240) 212 Landline Oakland
(240) 244 Landline Mount Rainier
(240) 238 Landline Rockville
(240) 208 Landline La Plata
(240) 222 Landline Waldorf
(240) 234 Wireless Mount Rainier
(240) 250 Landline Brandywine
(240) 217 Wireless Hagerstown
(240) 265 Wireless Bethesda
(240) 296 Landline Hyattsville
(240) 269 Landline Mount Rainier
(240) 205 Wireless Cabin John
(240) 295 Landline Laurel
(240) 281 Wireless Bethesda
(240) 243 Landline Gaithersburg
(240) 237 Landline Callaway
(240) 246 Landline Gaithersburg
(240) 287 Landline Hancock
(240) 254 Landline Hughesville
(240) 209 Landline Indian Head
(240) 277 Wireless Bethesda
(240) 286 Wireless Bethesda
(240) 213 Landline Waldorf
(240) 266 Landline Mount Rainier
(240) 210 Wireless Waldorf
(240) 215 Landline Frederick
(240) 201 Landline Ridge
Prefix Usage Primary City
(240) 294 Landline Laurel
(240) 272 Wireless Bethesda
(240) 206 Landline Glenn Dale
(240) 231 Landline Hagerstown
(240) 207 Landline Damascus
(240) 268 Landline Rockville
(240) 263 Wireless Bethesda
(240) 271 Wireless Bethesda
(240) 242 Landline Kensington
(240) 236 Landline Frederick
(240) 278 Wireless Laurel
(240) 288 Landline Thurmont
(240) 247 Landline Mount Rainier
(240) 297 Landline College Park
(240) 280 Landline Laurel
(240) 279 Landline Waldorf
(240) 274 Wireless Bethesda
(240) 290 Landline Mount Rainier
(240) 203 Landline Hagerstown
(240) 293 Landline Mount Rainier
(240) 221 Landline Rockville
(240) 214 Landline Mechanicsville
(240) 233 Landline Newburg
(240) 245 Landline Glenn Dale
(240) 282 Landline Mechanicsville
(240) 249 Landline Mechanicsville
(240) 255 Landline Poolesville
(240) 291 Wireless Hagerstown
(240) 273 Landline Mount Rainier
(240) 241 Landline Chevy Chase
(240) 235 Landline Bethesda
(240) 232 Landline Mount Rainier
(240) 276 Landline Rockville
(240) 239 Landline Leonardtown
(240) 283 Landline Kensington
(240) 289 Landline Oxon Hill
(240) 256 Landline Leonardtown
(240) 225 Landline Frederick
(240) 200 Landline Mount Rainier
(240) 248 Landline Ridge
(240) 299 Wireless Waldorf
(240) 262 Wireless Callaway
(240) 251 Landline Highfield
(240) 230 Landline Hughesville
(240) 223 Landline Mount Rainier
(240) 285 Landline Frederick

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