What is the area code for Palo Alto, CA?

The area code for Palo Alto, California is 650.

What time zone is Palo Alto in?

Palo Alto is in the Pacific time zone.

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Palo Alto, CA Area Code

Palo Alto, California (population 67,609) uses area code 650.

Area code650

Time zonePacific

Local time now…

Palo Alto and nearby cities in area code 650

Carriers with Palo Alto numbers

145 prefixes are assigned to the Palo Alto exchange: 25% mobile, 28% VoIP and cable, 48% landline.

Carrier	Prefixes
AT&T (Pacific Bell)	56
AT&T Mobility	15
Lumen (Level 3)	15
T-Mobile	11
Verizon Wireless	10
Verizon Business (MCImetro)	9
Onvoy (Sinch)	7
Metropcs	5

Area codes used in Palo Alto

Area code	Prefixes serving Palo Alto	Main carriers in this code
650	145	AT&T (Pacific Bell), AT&T Mobility, T-Mobile

Palo Alto phone number prefixes

Numbers starting with these first six digits were originally assigned to the Palo Alto exchange.

650-213 AT&T (Pacific Bell)
650-223 Tpx Communications
650-233 AT&T (Pacific Bell)
650-234 AT&T (Pacific Bell)
650-236 AT&T (Pacific Bell)
650-248 T-Mobile
650-250 T-Mobile
650-251 AT&T (Pacific Bell)
650-252 Peerless Network
650-258 AT&T (Teleport)
650-269 Verizon Wireless
650-272 Verizon Business (MCImetro)
650-283 T-Mobile
650-285 Bandwidth
650-289 AT&T (Pacific Bell)
650-300 Onvoy (Sinch)
650-304 AT&T Mobility
650-308 AT&T (Pacific Bell)
650-313 Verizon Wireless
650-319 Verizon Business (MCImetro)
650-320 AT&T (Pacific Bell)
650-321 AT&T (Pacific Bell)
650-322 AT&T (Pacific Bell)
650-323 AT&T (Pacific Bell)
650-324 AT&T (Pacific Bell)
650-325 AT&T (Pacific Bell)
650-326 AT&T (Pacific Bell)
650-327 AT&T (Pacific Bell)
650-328 AT&T (Pacific Bell)
650-329 AT&T (Pacific Bell)
650-330 AT&T (Pacific Bell)
650-331 Lumen (Level 3)
650-334 T-Mobile
650-352 Lumen (Level 3)
650-353 Lumen (Level 3)
650-354 AT&T (Pacific Bell)
650-370 Bandwidth
650-374 AT&T Mobility
650-380 Verizon Wireless
650-382 Lumen (Level 3)
650-384 AT&T (Teleport)
650-387 AT&T Mobility
650-388 Verizon Business (MCImetro)
650-391 Lumen (Level 3)
650-407 Verizon Wireless
650-422 Verizon Wireless
650-424 AT&T (Pacific Bell)
650-427 Verizon Business (MCImetro)
650-433 Verizon Business (MCImetro)
650-441 Verizon Wireless
650-444 T-Mobile
650-460 AT&T Mobility
650-461 AT&T (Pacific Bell)
650-462 AT&T (Pacific Bell)
650-463 AT&T (Pacific Bell)
650-468 T-Mobile
650-470 AT&T (Pacific Bell)
650-473 AT&T (Pacific Bell)
650-475 Verizon Business (MCImetro)
650-485 AT&T (Pacific Bell)
650-493 AT&T (Pacific Bell)
650-494 AT&T (Pacific Bell)
650-496 AT&T (Pacific Bell)
650-497 Lumen (Level 3)
650-498 Lumen (Level 3)
650-505 AT&T Mobility
650-507 T-Mobile
650-509 Verizon Wireless
650-512 AT&T Mobility
650-519 AT&T Mobility
650-521 Comcast (Xfinity)
650-531 Verizon Wireless
650-543 Tpx Communications
650-546 AT&T (Teleport)
650-561 AT&T (Pacific Bell)
650-565 AT&T (Pacific Bell)
650-566 AT&T (Pacific Bell)
650-575 AT&T Mobility
650-586 Telnyx
650-600 Onvoy (Sinch)
650-606 Onvoy (Sinch)
650-613 T-Mobile
650-614 AT&T (Pacific Bell)
650-617 AT&T (Pacific Bell)
650-618 Onvoy (Sinch)
650-621 AT&T (Pacific Bell)
650-630 Metropcs
650-643 T-Mobile
650-644 AT&T Mobility
650-646 T-Mobile
650-656 Lumen (Level 3)
650-665 Verizon Wireless
650-666 Lumen (Level 3)
650-681 Tpx Communications
650-682 Utility Telecom Group
650-687 Verizon Business (MCImetro)
650-688 AT&T (Pacific Bell)
650-690 At&T - Local
650-698 T-Mobile
650-702 Nuso
650-704 AT&T Mobility
650-709 Airespring
650-714 AT&T Mobility
650-721 Lumen (Level 3)
650-723 Lumen (Level 3)
650-724 Lumen (Level 3)
650-725 Lumen (Level 3)
650-736 Lumen (Level 3)
650-739 AT&T (Pacific Bell)
650-752 AT&T (Pacific Bell)
650-776 Metropcs
650-785 Verizon Wireless
650-788 Fractel
650-792 Onvoy (Sinch)
650-796 AT&T Mobility
650-798 AT&T (Teleport)
650-799 AT&T Mobility
650-800 Onvoy (Sinch)
650-804 AT&T Mobility
650-812 AT&T (Pacific Bell)
650-813 AT&T (Pacific Bell)
650-814 Metropcs
650-815 Verizon Business (MCImetro)
650-833 AT&T (Pacific Bell)
650-838 AT&T (Pacific Bell)
650-842 AT&T (Pacific Bell)
650-843 AT&T (Pacific Bell)
650-845 AT&T (Pacific Bell)
650-846 AT&T (Pacific Bell)
650-847 Verizon Business (MCImetro)
650-849 AT&T (Pacific Bell)
650-852 AT&T (Pacific Bell)
650-853 AT&T (Pacific Bell)
650-854 AT&T (Pacific Bell)
650-855 AT&T (Pacific Bell)
650-856 AT&T (Pacific Bell)
650-857 AT&T (Pacific Bell)
650-858 AT&T (Pacific Bell)
650-859 AT&T (Pacific Bell)
650-862 AT&T Mobility
650-885 Lumen (Level 3)
650-906 Metropcs
650-924 Metropcs
650-926 AT&T (Pacific Bell)
650-999 Onvoy (Sinch)

Nearby cities in area code 650

Questions

What is the area code for Palo Alto, CA?: The area code for Palo Alto, California is 650.
What time zone is Palo Alto in?: Palo Alto is in the Pacific time zone.