Where Is 858 Area Code?
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Database Updated: May 9, 2025
Cities in 858 Area Code
- La Presa
- Spring Valley
- Rancho San Diego
- Lakeside
- Winter Gardens
- Casa de Oro-Mount Helix
- Bostonia
- Alpine
- Bonita
- Jamul
- Eucalyptus Hills
- Harbison Canyon
- Fairbanks Ranch
- Granite Hills
- Campo
- Crest
- Pine Valley
- Descanso
- Potrero
- Jacumba
- Rancho Santa Fe
- Boulevard
Counties in 858 Area Code
Prefix Codes for Area Code 858
- (858) 200
- (858) 201
- (858) 202
- (858) 204
- (858) 205
- (858) 206
- (858) 207
- (858) 208
- (858) 210
- (858) 212
- (858) 213
- (858) 215
- (858) 216
- (858) 217
- (858) 218
- (858) 219
- (858) 220
- (858) 222
- (858) 223
- (858) 224
- (858) 225
- (858) 227
- (858) 228
- (858) 229
- (858) 230
- (858) 231
- (858) 232
- (858) 233
- (858) 234
- (858) 236
- (858) 237
- (858) 240
- (858) 242
- (858) 243
- (858) 244
- (858) 245
- (858) 246
- (858) 248
- (858) 249
- (858) 251
California Area Codes