Look up any phone number starting with 314 to identify the owner name, address, spam reports, and more. The 314 area code is serving St. Louis, Missouri and most of its inner-ring suburbs in neighboring St. Louis County.
Enter a full 10-digit number to identify the caller and whether it has been reported as spam.
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Area code 314 covers the city of St. Louis and its inner-ring suburbs. Specifically, it includes the exchanges of Chestnut, Jefferson, Prospect, Flanders, Forest, Mission, Melrose, Webster Groves, Parkview, Evergreen, Riverview, Ferguson, Overland, Ladue, Kirkwood, Sappington, Mehlville, Oakville, Creve Coeur, Bridgeton, Hazelwood, Florissant, and Spanish Lake.
Area code 557 was added to the 314 numbering plan area on August 12, 2022, to form an overlay numbering plan. Both area codes, 314 and 557, serve the same geographic region. Ten-digit dialing is required within this area.
Area code 314 is a general purpose code which was placed in service on January 1, 1947.
Our Missouri phone number lookup for the 314 area code analyzes the three-digit prefix to identify the initially assigned telecommunications company and rate center. This prefix code data may help to determine the U.S. carrier, Missouri geographic region, and local calling area associated with the phone number.
Phone numbers follow the following structure under the North American Numbering Plan:
Understanding the area code can help you determine if a call is local to your area. However, keep in mind that due to mobile number portability and VoIP services, the caller may be anywhere in the United States, so it’s best to search for the most recent phone number details.
| Company | Number of Prefixes |
|---|---|
| SOUTHWESTERN BELL | 233 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 79 |
| SPRINT SPECTRUM, L.P. | 54 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MO | 42 |
| T-MOBILE USA, INC. | 29 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MO | 28 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - MO | 20 |
| XO MISSOURI, INC. | 17 |
| CHARTER FIBERLINK - MISSOURI, LLC - MO | 14 |
| LEVEL 3 COMMUNICATIONS, LLC - MO | 13 |
| ONVOY, LLC - MO | 13 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - MO | 12 |
| AMERICAN MESSAGING SERVICES, LLC | 11 |
| FUSION CLOUD SERVICES, LLC | 11 |
| WINDSTREAM NUVOX MISSOURI, LLC | 11 |
| BANDWIDTH.COM CLEC, LLC - MO | 8 |
| MCLEODUSA TELECOMMUNICATION SERVICES, INC. - MO | 7 |
| AT&T - LOCAL | 6 |
| AT&T CORP. | 5 |
| PEERLESS NETWORK OF MISSOURI, LLC - MO | 5 |
| USA MOBILITY WIRELESS, INC. | 5 |
| LOCAL ACCESS LLC - MO | 3 |
| INTRADO COMMUNICATIONS, LLC | 2 |
| METROPCS, INC. | 2 |
| NUSO, LLC | 2 |
| COMMIO, LLC | 1 |
| ONVOY SPECTRUM, LLC | 1 |
| RCLEC, INC. | 1 |
| SOCKET TELECOM, LLC - MO | 1 |
| VONAGE AMERICA LLC | 1 |
| YMAX COMMUNICATIONS CORP. - MO | 1 |
Carrier names have been updated from their original FCC assignments to reflect current companies following mergers, acquisitions, and rebranding. Updates were determined using AI-assisted research and may not be accurate or reflect up to date changes. This data is provided without warranties of accuracy or completeness.
| Rate Center | Number of Prefixes |
|---|---|
| LADUE | 248 |
| ST LOUIS | 233 |
| KIRKWOOD | 74 |
| CREVECOEUR | 42 |
| SAPPINGTON | 19 |
| MEHLVILLE | 17 |
| OAKVILLE | 5 |
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