The 630 area code is a telephone area code serving portions of Chicago's near and far western suburbs, including the majority of DuPage County, Illinois. To start a free reverse phone lookup, simply enter the full 10-digit number (including the 630 area code) below and access available caller information such as name, address, and more.
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Area code 630 covers the western suburbs of Chicago, Illinois.
Area code 331 overlays area code 630. Area code 630 was created on August 3, 1996, and area code 331 was introduced on October 7, 2007. Ten-digit dialing is mandatory in this area.
Area code 630 is a General Purpose Code which was placed in service on January 1, 1947.
Our reverse phone lookup will analyze the three-digit prefix of any 630 area code phone number and will show which telecommunications company and rate center it was initially assigned to. This prefix code data may help to determine the U.S. carrier, Illinois geographic region, and local calling area associated with the phone number.
| Company | Number of Prefixes |
|---|---|
| ILLINOIS BELL TEL CO | 242 |
| NEW CINGULAR WIRELESS PCS, LLC - IL | 79 |
| CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL | 55 |
| SPRINT SPECTRUM, L.P. | 50 |
| LEVEL 3 COMMUNICATIONS, LLC - IL | 40 |
| TELEPORT COMMUNICATIONS AMERICA, LLC - IL | 39 |
| OVATION COMMUNICATIONS OF ILLINOIS, INC. | 28 |
| T-MOBILE USA, INC. | 25 |
| XO ILLINOIS, INC. | 18 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC | 17 |
| MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL | 17 |
| AT&T - LOCAL | 13 |
| GLOBAL CROSSING LOCAL SERVICES, INC. - IL | 9 |
| FIRST COMMUNICATIONS, LLC - IL | 6 |
| RCN TELECOM SERVICES OF ILLINIOS, INC. - IL | 6 |
| COMCAST IP PHONE, LLC | 5 |
| USA MOBILITY WIRELESS, INC. | 4 |
| AT&T CORP. | 3 |
| FIRST COMMUNICATIONS, LLC | 3 |
| AMERICAN MESSAGING SERVICES, LLC | 2 |
| BANDWIDTH.COM CLEC, LLC - IL | 2 |
| PEERLESS NETWORK OF ILLINOIS, LLC - IL | 2 |
| Rate Center | Number of Prefixes |
|---|---|
| HINSDALE | 70 |
| NAPERVILLE | 69 |
| LA GRANGE | 56 |
| AURORA | 53 |
| DOWNERSGRV | 50 |
| ROSELLE | 50 |
| ELMHURST | 38 |
| LOMBARD | 35 |
| WHEATON | 29 |
| BENSENVL | 21 |
| LEMONT | 21 |
| NORTHBROOK | 21 |
| W CHICAGO | 18 |
| ST CHARLES | 17 |
| BARTLETT | 16 |
| ITASCA | 16 |
| GENEVA | 13 |
| GLEN ELLYN | 12 |
| BATAVIA | 10 |
| SUGARGROVE | 9 |
| WARRENVL | 7 |
| OSWEGO | 6 |
| WHEELING | 6 |
| ELGIN | 4 |
| YORKVILLE | 4 |
| CHICGOZN01 | 3 |
| ELBURN | 3 |
| KANEVILLE | 3 |
| PLANO | 2 |
| SUMMIT | 2 |
| BIG ROCK | 1 |
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