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Clayton, MO Area Codes

Clayton, Missouri (population 17,807) uses area codes 314 and 557.

Clayton has no telephone exchange of its own in NANPA records; it is served by the Ladue exchange about 4.8 km away.

Area codes used in Clayton

Clayton phone number prefixes

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

• 314-201 T-Mobile
• 314-209 AT&T (Southwestern Bell)
• 314-212 AT&T (Southwestern Bell)
• 314-213 AT&T (Southwestern Bell)
• 314-214 AT&T (Southwestern Bell)
• 314-215 AT&T (Southwestern Bell)
• 314-216 AT&T (Southwestern Bell)
• 314-218 AT&T (Southwestern Bell)
• 314-219 AT&T (Southwestern Bell)
• 314-222 Onvoy (Sinch)
• 314-225 AT&T Mobility
• 314-227 Lumen (Level 3)
• 314-232 AT&T (Teleport)
• 314-233 AT&T (Teleport)
• 314-234 AT&T (Teleport)
• 314-237 Onvoy (Sinch)
• 314-239 AT&T Mobility
• 314-246 AT&T (Southwestern Bell)
• 314-249 T-Mobile
• 314-251 AT&T (Southwestern Bell)
• 314-252 AT&T (Teleport)
• 314-253 AT&T (Southwestern Bell)
• 314-254 Bandwidth
• 314-258 AT&T Mobility
• 314-262 Lumen (Level 3)
• 314-264 AT&T (Southwestern Bell)
• 314-265 T-Mobile
• 314-266 Lumen (Level 3)
• 314-271 Onvoy (Sinch)
• 314-274 AT&T (Southwestern Bell)
• 314-276 T-Mobile
• 314-279 Charter Ip Enabled Services
• 314-281 AT&T Mobility
• 314-283 T-Mobile
• 314-291 AT&T (Southwestern Bell)
• 314-292 At&T - Local
• 314-294 American Messaging Services
• 314-298 AT&T (Southwestern Bell)
• 314-299 T-Mobile
• 314-301 AT&T (Southwestern Bell)
• 314-302 Verizon Wireless
• 314-303 Verizon Wireless
• 314-304 Verizon Wireless
• 314-306 Verizon Wireless
• 314-307 Verizon Wireless
• 314-308 AT&T Mobility
• 314-310 Onvoy (Sinch)
• 314-313 Verizon Wireless
• 314-316 AT&T (Southwestern Bell)
• 314-322 T-Mobile
• 314-323 T-Mobile
• 314-324 T-Mobile
• 314-325 At&T Enterprises
• 314-330 Verizon Wireless
• 314-341 Verizon Wireless
• 314-344 AT&T (Southwestern Bell)
• 314-346 Verizon Wireless
• 314-348 Verizon Wireless
• 314-355 AT&T (Southwestern Bell)
• 314-357 T-Mobile
• 314-358 T-Mobile
• 314-359 T-Mobile
• 314-360 American Messaging Services
• 314-363 T-Mobile
• 314-365 Verizon Wireless
• 314-368 T-Mobile
• 314-369 T-Mobile
• 314-372 Verizon Business (MCImetro)
• 314-373 Paetec Itel
• 314-374 T-Mobile
• 314-377 Onvoy (Sinch)
• 314-378 AT&T Mobility
• 314-386 T-Mobile
• 314-387 Verizon Business (MCImetro)
• 314-388 AT&T (Southwestern Bell)
• 314-395 Charter Ip Enabled Services
• 314-397 T-Mobile
• 314-400 Onvoy (Sinch)
• 314-406 AT&T Mobility
• 314-407 American Messaging Services
• 314-409 AT&T Mobility
• 314-412 Verizon Wireless
• 314-413 Verizon Wireless
• 314-414 Bandwidth
• 314-417 Bandwidth
• 314-419 American Messaging Services
• 314-422 AT&T Mobility
• 314-423 AT&T (Southwestern Bell)
• 314-424 American Messaging Services
• 314-426 AT&T (Southwestern Bell)
• 314-427 AT&T (Southwestern Bell)
• 314-428 AT&T (Southwestern Bell)
• 314-429 AT&T (Southwestern Bell)
• 314-430 Verizon Wireless
• 314-432 AT&T (Southwestern Bell)
• 314-438 AT&T (Southwestern Bell)
• 314-440 Verizon Wireless
• 314-441 T-Mobile
• 314-442 Verizon Business (MCImetro)
• 314-443 T-Mobile
• 314-447 Paetec Itel
• 314-451 AT&T (Teleport)
• 314-452 AT&T Mobility
• 314-455 Charter Ip Enabled Services
• 314-456 T-Mobile
• 314-458 T-Mobile
• 314-459 T-Mobile
• 314-463 AT&T (Teleport)
• 314-468 Verizon Business (MCImetro)
• 314-473 Verizon Business (MCImetro)
• 314-475 Onvoy (Sinch)
• 314-477 T-Mobile
• 314-479 T-Mobile
• 314-482 T-Mobile
• 314-484 T-Mobile
• 314-490 American Messaging Services
• 314-491 American Messaging Services
• 314-493 AT&T (Southwestern Bell)
• 314-494 T-Mobile
• 314-495 T-Mobile
• 314-496 T-Mobile
• 314-497 T-Mobile
• 314-498 T-Mobile
• 314-503 T-Mobile
• 314-504 T-Mobile
• 314-506 AT&T (Southwestern Bell)
• 314-507 Spok
• 314-513 Verizon Business (MCImetro)
• 314-517 T-Mobile
• 314-518 T-Mobile
• 314-521 AT&T (Southwestern Bell)
• 314-522 AT&T (Southwestern Bell)
• 314-524 AT&T (Southwestern Bell)
• 314-527 Verizon Business (MCImetro)
• 314-528 Charter Ip Enabled Services
• 314-538 AT&T (Southwestern Bell)
• 314-545 AT&T (Teleport)
• 314-547 Verizon Business (MCImetro)
• 314-551 AT&T (Southwestern Bell)
• 314-557 Nuso
• 314-562 AT&T Mobility
• 314-563 Lumen (Level 3)
• 314-564 T-Mobile
• 314-566 AT&T Mobility
• 314-567 AT&T (Southwestern Bell)
• 314-569 AT&T (Southwestern Bell)
• 314-580 Verizon Wireless
• 314-585 T-Mobile
• 314-587 AT&T (Southwestern Bell)
• 314-591 Verizon Wireless
• 314-592 AT&T (Southwestern Bell)
• 314-593 Lumen (Level 3)
• 314-595 AT&T (Southwestern Bell)
• 314-598 Lumen (Level 3)
• 314-610 Verizon Wireless
• 314-614 AT&T Mobility
• 314-616 AT&T Mobility
• 314-618 Onvoy (Sinch)
• 314-619 Verizon Wireless
• 314-625 Onvoy (Sinch)
• 314-637 T-Mobile
• 314-642 Lumen (Level 3)
• 314-643 T-Mobile
• 314-651 AT&T Mobility
• 314-653 AT&T (Southwestern Bell)
• 314-654 AT&T (Southwestern Bell)
• 314-656 AT&T (Teleport)
• 314-662 T-Mobile
• 314-666 Peerless Network
• 314-683 AT&T (Teleport)
• 314-684 AT&T (Teleport)
• 314-687 AT&T (Teleport)
• 314-692 AT&T (Southwestern Bell)
• 314-693 AT&T (Southwestern Bell)
• 314-694 AT&T (Southwestern Bell)
• 314-695 Verizon Wireless
• 314-699 Onvoy (Sinch)
• 314-702 AT&T (Southwestern Bell)
• 314-703 Verizon Wireless
• 314-704 Verizon Wireless
• 314-705 Verizon Wireless
• 314-706 Verizon Wireless
• 314-707 Verizon Wireless
• 314-708 Verizon Wireless
• 314-709 Verizon Wireless
• 314-712 Verizon Wireless
• 314-715 AT&T (Southwestern Bell)
• 314-716 AT&T (Southwestern Bell)
• 314-718 Verizon Wireless
• 314-724 AT&T Mobility
• 314-731 AT&T (Southwestern Bell)
• 314-733 AT&T (Southwestern Bell)
• 314-734 American Messaging Services
• 314-736 Charter Ip Enabled Services
• 314-737 AT&T Mobility
• 314-738 AT&T (Southwestern Bell)
• 314-739 AT&T (Southwestern Bell)
• 314-740 Verizon Wireless
• 314-741 AT&T (Southwestern Bell)
• 314-743 Paetec Itel
• 314-749 T-Mobile
• 314-750 Verizon Wireless
• 314-753 AT&T Mobility
• 314-755 T-Mobile
• 314-757 T-Mobile
• 314-761 T-Mobile
• 314-764 T-Mobile
• 314-770 AT&T (Southwestern Bell)
• 314-777 AT&T (Teleport)
• 314-778 Lumen (Level 3)
• 314-780 Verizon Wireless
• 314-785 Verizon Business (MCImetro)
• 314-787 Verizon Business (MCImetro)
• 314-790 American Messaging Services
• 314-791 Verizon Wireless
• 314-792 Verizon Business (MCImetro)
• 314-793 T-Mobile
• 314-801 Verizon Business (MCImetro)
• 314-810 AT&T (Southwestern Bell)
• 314-812 AT&T (Southwestern Bell)
• 314-813 Verizon Business (MCImetro)
• 314-816 AT&T Mobility
• 314-817 Verizon Business (MCImetro)
• 314-820 AT&T (Teleport)
• 314-824 AT&T (Teleport)
• 314-830 AT&T (Southwestern Bell)
• 314-831 AT&T (Southwestern Bell)
• 314-837 AT&T (Southwestern Bell)
• 314-838 AT&T (Southwestern Bell)
• 314-839 AT&T (Southwestern Bell)
• 314-847 Verizon Business (MCImetro)
• 314-850 AT&T Mobility
• 314-853 T-Mobile
• 314-866 Fractel
• 314-867 AT&T (Southwestern Bell)
• 314-868 AT&T (Southwestern Bell)
• 314-869 AT&T (Southwestern Bell)
• 314-870 Spok
• 314-872 AT&T (Southwestern Bell)
• 314-873 Verizon Wireless
• 314-874 Verizon Business (MCImetro)
• 314-882 Verizon Wireless
• 314-888 Lumen (Level 3)
• 314-890 AT&T (Southwestern Bell)
• 314-891 Stratus Networks
• 314-895 AT&T (Southwestern Bell)
• 314-900 Onvoy (Sinch)
• 314-901 T-Mobile
• 314-907 T-Mobile
• 314-910 Verizon Wireless
• 314-913 Verizon Wireless
• 314-914 Verizon Wireless
• 314-915 Verizon Wireless
• 314-917 Verizon Wireless
• 314-918 AT&T (Southwestern Bell)
• 314-919 AT&T (Southwestern Bell)
• 314-920 Verizon Wireless
• 314-921 AT&T (Southwestern Bell)
• 314-922 T-Mobile
• 314-931 AT&T Mobility
• 314-938 T-Mobile
• 314-941 Verizon Wireless
• 314-942 Paetec Itel
• 314-943 Verizon Wireless
• 314-949 Onvoy (Sinch)
• 314-953 AT&T (Southwestern Bell)
• 314-956 Verizon Wireless
• 314-961 AT&T (Southwestern Bell)
• 314-962 AT&T (Southwestern Bell)
• 314-963 AT&T (Southwestern Bell)
• 314-964 Verizon Wireless
• 314-967 AT&T Mobility
• 314-968 AT&T (Southwestern Bell)
• 314-972 AT&T (Southwestern Bell)
• 314-973 Verizon Wireless
• 314-979 Verizon Business (MCImetro)
• 314-980 Verizon Business (MCImetro)
• 314-983 AT&T (Southwestern Bell)
• 314-986 Verizon Business (MCImetro)
• 314-989 AT&T (Southwestern Bell)
• 314-991 AT&T (Southwestern Bell)
• 314-993 AT&T (Southwestern Bell)
• 314-994 AT&T (Southwestern Bell)
• 314-995 AT&T (Southwestern Bell)
• 314-996 AT&T (Southwestern Bell)
• 314-997 AT&T (Southwestern Bell)
• 557-200 Onvoy (Sinch)
• 557-208 Onvoy (Sinch)
• 557-210 Verizon Wireless
• 557-218 AT&T Mobility
• 557-219 Verizon Wireless
• 557-223 Verizon Wireless
• 557-225 AT&T Mobility
• 557-232 Verizon Wireless
• 557-236 Verizon Wireless
• 557-237 AT&T Mobility
• 557-240 AT&T (Teleport)
• 557-241 Onvoy (Sinch)
• 557-249 Onvoy (Sinch)
• 557-254 AT&T Mobility
• 557-255 Onvoy (Sinch)
• 557-260 Verizon Wireless
• 557-264 AT&T Mobility

Nearby cities in area code 314

• St. Louis
• Oakville
• University City
• Kirkwood
• Mehlville
• Maryland Heights
• Webster Groves
• Arnold
• Affton
• Creve Coeur
• Spanish Lake
• Concord

Questions

What is the area code for Clayton, MO?

Clayton uses 2 area codes: 314 and 557. They overlay each other, so all of them cover the whole city and you dial 10 digits for local calls.

What time zone is Clayton in?

Clayton is in the Central time zone.