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Area Code 858

Browse available prefixes, locations, carriers, and quick path links into deeper phone number pages for this area code. Area-code research is one of the most important parts of reverse phone lookup because it gives visitors a geographic starting point before they inspect a full number.

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200Prefixes Listed
CaliforniaLocation
United StatesCountry
858Area Code
Area Code Overview
Area Code858
Primary LocationCalifornia
CountryUnited States
Prefix Coverage200 listed prefixes
Prefixes in 858
858-200
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-201
San Diego
Level 3 Communications Llc - Ca
Landline
858-202
San Diego
Pacific Bell
Landline
858-204
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-205
San Diego
T-mobile Usa Inc.
Wireless
858-206
San Diego
Ymax Communications Corp. - Ca
Landline
858-207
San Diego
Teleport Communications Group - San Diego
Landline
858-208
San Diego
O1 Communications Inc. - Ca
Landline
858-210
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-212
Carlsbad
Sprint Spectrum L.p.
Wireless
858-213
Carlsbad
Sprint Spectrum L.p.
Wireless
858-215
San Diego
Pacific Bell
Landline
858-216
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-217
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-218
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-219
San Diego
American Messaging Services Llc
Landline
858-220
Carlsbad
Sprint Spectrum L.p.
Wireless
858-222
San Diego
Ymax Communications Corp. - Ca
Landline
858-223
San Diego
360networks (usa) Inc. - Ca
Landline
858-224
San Diego
Cbeyond Communications Llc - Ca
Landline
858-225
San Diego
Pac - West Telecomm Inc.
Landline
858-227
San Diego
Xo California Inc.
Landline
858-228
San Diego
Xo California Inc.
Landline
858-229
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-230
San Diego
Sbc Internet Services Inc.
Landline
858-231
San Diego
T-mobile Usa Inc.
Wireless
858-232
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-233
San Diego
North County Communications Corp. - Ca
Landline
858-234
San Diego
North County Communications Corp. - Ca
Landline
858-236
San Diego
North County Communications Corp. - Ca
Landline
858-237
San Diego
North County Communications Corp. - Ca
Landline
858-240
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-242
Vista
New Cingular Wireless Pcs Llc
Wireless
858-243
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-244
San Diego
Xo California Inc.
Landline
858-245
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-246
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-248
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-249
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-251
San Diego
Peerless Network Of California Llc - Ca
Landline
858-254
Carlsbad
Sprint Spectrum L.p.
Wireless
858-255
San Diego
Teleport Communications Group - San Diego
Landline
858-256
San Diego
Cox California Telcom L.l.c. - Ca
Landline
858-259
Del Mar
Pacific Bell
Landline
858-263
San Diego
Time Warner Cbl Info Svcs (ca) Dbatime Warner Cbl
Landline
858-268
San Diego
Pacific Bell
Landline
858-270
San Diego
Pacific Bell
Landline
858-271
San Diego
Pacific Bell
Landline
858-272
San Diego
Pacific Bell
Landline
858-273
San Diego
Pacific Bell
Landline
858-274
San Diego
Pacific Bell
Landline
858-277
San Diego
Pacific Bell
Landline
858-278
San Diego
Pacific Bell
Landline
858-279
San Diego
Pacific Bell
Landline
858-292
San Diego
Pacific Bell
Landline
858-297
San Diego
North County Communications Corp. - Ca
Landline
858-300
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-304
San Diego
At&t Local
Landline
858-309
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-312
El Cajon
Cox California Telcom L.l.c. - Ca
Landline
858-314
San Diego
Teleport Communications Group - San Diego
Landline
858-320
San Diego
Pacific Bell
Landline
858-324
San Diego
Teleport Communications Group - San Diego
Landline
858-332
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-333
San Diego
Telcentris Communications Llc - Ca
Landline
858-334
San Diego
Pacific Bell
Landline
858-335
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-336
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-337
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-342
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-344
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-345
San Diego
Cox California Telcom L.l.c. - Ca
Landline
858-346
San Diego
Global Crossing Local Services Inc.-ca
Landline
858-347
San Diego
Usa Mobility Wireless Inc.
Wireless
858-348
San Diego
Xo California Inc.
Landline
858-349
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-350
Del Mar
Pacific Bell
Landline
858-352
San Diego
Mci Worldcom Communications Inc. Ca
Landline
858-353
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-354
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-356
San Diego
Mpower Communications Corp - Ca
Landline
858-357
Vista
Tw Telecom Of California Lp - Ca
Landline
858-359
San Diego
Cook Telecom Inc.
Landline
858-360
San Diego
Pacific Bell
Landline
858-361
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-362
San Diego
Xo California Inc.
Landline
858-364
San Diego
North County Communications Corp. - Ca
Landline
858-365
San Diego
O1 Communications Inc. - Ca
Landline
858-366
San Diego
Xo California Inc.
Landline
858-367
San Diego
O1 Communications Inc. - Ca
Landline
858-368
San Diego
O1 Communications Inc. - Ca
Landline
858-369
San Diego
At&t Local
Landline
858-371
San Diego
Cox California Telcom L.l.c. - Ca
Landline
858-373
San Diego
Xo California Inc.
Landline
858-375
San Diego
Mpower Communications Corp - Ca
Landline
858-376
San Diego
Mpower Communications Corp - Ca
Landline
858-380
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-381
San Diego
Teleport Communications Group - San Diego
Landline
858-382
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-384
San Diego
Global Crossing Local Services Inc.-ca
Landline
858-385
San Diego
Pacific Bell
Landline
858-386
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-391
Poway
Pacific Bell
Landline
858-395
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-397
San Diego
Cox California Telcom L.l.c. - Ca
Landline
858-400
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-401
San Diego
Teleport Communications Group - San Diego
Landline
858-404
San Diego
Pacific Bell
Landline
858-405
San Diego
T-mobile Usa Inc.
Wireless
858-408
San Diego
Xo California Inc.
Landline
858-410
San Diego
Mci Worldcom Communications Inc. Ca
Landline
858-412
San Diego
Sprint Communications Company L.p. - Ca
Landline
858-413
San Diego
Mpower Communications Corp - Ca
Landline
858-414
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-427
San Diego
Paetec Communications Inc. - Ca
Landline
858-428
San Diego
Pac - West Telecomm Inc.
Landline
858-429
San Diego
O1 Communications Inc. - Ca
Landline
858-430
San Diego
Xo California Inc.
Landline
858-431
San Diego
At&t Local
Landline
858-432
San Diego
Mpower Communications Corp - Ca
Landline
858-433
San Diego
Paetec Communications Inc. - Ca
Landline
858-434
San Diego
Xo California Inc.
Landline
858-435
San Diego
Paetec Communications Inc. - Ca
Landline
858-436
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-437
Vista
Pacific Bell
Landline
858-442
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-444
San Diego
U.s. Telepacific Corp. - Ca
Landline
858-449
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-450
San Diego
Pacific Bell
Landline
858-451
San Diego
Pacific Bell
Landline
858-452
San Diego
Pacific Bell
Landline
858-453
San Diego
Pacific Bell
Landline
858-454
La Jolla
Pacific Bell
Landline
858-455
San Diego
Pacific Bell
Landline
858-456
La Jolla
Pacific Bell
Landline
858-457
San Diego
Pacific Bell
Landline
858-458
San Diego
Pacific Bell
Landline
858-459
La Jolla
Pacific Bell
Landline
858-461
San Diego
Level 3 Communications Llc - Ca
Landline
858-465
San Diego
Telcentris Communications Llc - Ca
Landline
858-467
San Diego
Pacific Bell
Landline
858-472
Vista
Cellco Partnership Dba Verizon Wireless - Ca
Wireless
858-480
San Diego
Tw Telecom Of California Lp - Ca
Landline
858-481
Del Mar
Pacific Bell
Landline
858-483
San Diego
Pacific Bell
Landline
858-484
San Diego
Pacific Bell
Landline
858-485
San Diego
Pacific Bell
Landline
858-486
Poway
Pacific Bell
Landline
858-487
San Diego
Pacific Bell
Landline
858-488
San Diego
Pacific Bell
Landline
858-490
San Diego
Pacific Bell
Landline
858-492
San Diego
Pacific Bell
Landline
858-493
San Diego
American Messaging (am) Inc.
Landline
858-494
San Diego
American Messaging (am) Inc.
Landline
858-495
San Diego
Pacific Bell
Landline
858-496
San Diego
Pacific Bell
Landline
858-499
San Diego
Pacific Bell
Landline
858-500
San Diego
Cf Communications Llc Dba Telekenex - Ca
Landline
858-502
San Diego
Pacific Bell
Landline
858-503
San Diego
Pacific Bell
Landline
858-504
San Diego
T-mobile Usa Inc.
Wireless
858-505
San Diego
Pacific Bell
Landline
858-509
Del Mar
Pacific Bell
Landline
858-513
Poway
Pacific Bell
Landline
858-514
San Diego
Pacific Bell
Landline
858-518
San Diego
Sprint Spectrum L.p.
Wireless
858-519
San Diego
Mpower Communications Corp - Ca
Landline
858-521
San Diego
Pacific Bell
Landline
858-522
San Diego
Pacific Bell
Landline
858-523
Del Mar
Pacific Bell
Landline
858-524
San Diego
Pacific Bell
Landline
858-525
San Diego
Pacific Bell
Landline
858-526
San Diego
Pacific Bell
Landline
858-527
San Diego
Pacific Bell
Landline
858-529
San Diego
Cf Communications Llc Dba Telekenex - Ca
Landline
858-530
San Diego
Pacific Bell
Landline
858-531
San Diego
New Cingular Wireless Pcs Llc
Wireless
858-534
San Diego
Pacific Bell
Landline
858-535
San Diego
Pacific Bell
Landline
858-536
San Diego
Pacific Bell
Landline
858-537
San Diego
Pacific Bell
Landline
858-538
San Diego
Pacific Bell
Landline
858-539
San Diego
Pacific Bell
Landline
858-541
San Diego
Pacific Bell
Landline
858-546
San Diego
Pacific Bell
Landline
858-547
San Diego
Pacific Bell
Landline
858-549
San Diego
Pacific Bell
Landline
858-550
San Diego
Pacific Bell
Landline
858-551
La Jolla
Pacific Bell
Landline
858-552
San Diego
Pacific Bell
Landline
858-554
San Diego
Pacific Bell
Landline
858-558
San Diego
Pacific Bell
Landline
858-560
San Diego
Pacific Bell
Landline
858-564
San Diego
Mpower Communications Corp - Ca
Landline
858-565
San Diego
Pacific Bell
Landline
858-566
San Diego
Pacific Bell
Landline
858-568
San Diego
Leap Wireless Intl Inc. Dba Cricket Comm Inc.
Wireless
858-569
San Diego
Pacific Bell
Landline
858-571
San Diego
Pacific Bell
Landline
858-573
San Diego
Pacific Bell
Landline

Top prefixes in this area code

858-200→858-201→858-202→858-204→858-205→858-206→858-207→858-208→
Why area code pages matter in reverse phone lookup

Area code pages help visitors understand the wider calling region connected to a number. While a full reverse phone lookup page focuses on one specific caller, an area code page shows the bigger picture by grouping prefixes, cities, and carrier patterns under the same first three digits. This makes it easier to spot whether a number appears local, regional, or part of a service area the visitor already recognizes.

For phone directory websites, area code pages also improve browsing. A user can start with a missed call, discover the number's first three digits, and then move into the related area code to see supporting location data and a list of active prefixes. That layered navigation creates a better research experience and gives visitors more confidence when they continue into a specific number page.