Local Calling Guide
Area code/prefix search
Chicago Zone 03-Newcastle, IL
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| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 773-399
| 5 |
|
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-399
| 6 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-399
| 7 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-399
| 8 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-399
| 9 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2014-07-18 |
|
| 773-439
| A |
CHCGILACGT0 |
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
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|
| 773-439
| 0 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-11 |
|
| 773-439
| 1 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 2 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 3 |
|
8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
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| 773-439
| 4 |
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8702 RCN TELECOM SERVICES OF ILLINIOS, INC. - IL |
358 |
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| 773-439
| 5 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 6 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 7 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 8 |
|
829J PAETEC ITEL, LLC |
358 |
|
2003-12-27 |
|
| 773-439
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-10-11 |
|
| 773-444
| A |
PRRGILXLDS1 |
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 1 |
|
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 2 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 3 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 4 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 5 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 6 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-444
| 7 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-07 |
|
| 773-444
| 8 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-05 |
|
| 773-444
| 9 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2005-07-05 |
|
| 773-458
| A |
EGVGILIFDS0 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
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|
| 773-458
| 0 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2003-08-18 |
|
| 773-458
| 1 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
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| 773-458
| 2 |
|
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
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| 773-458
| 3 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2003-08-18 |
|
| 773-458
| 4 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2003-08-18 |
|
| 773-458
| 5 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2004-01-10 |
|
| 773-458
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2004-07-06 |
|
| 773-458
| 7 |
|
5562 METROPCS, INC. |
358 |
|
2005-04-26 |
|
| 773-458
| 8 |
|
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2004-01-10 |
|
| 773-458
| 9 |
|
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-02-17 |
|
| 773-467
| A |
CHCGILNEDS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
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|
| 773-467
| 0 |
|
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 1 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 2 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 3 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 4 |
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9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 5 |
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9329 ILLINOIS BELL TEL CO |
358 |
|
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| 773-467
| 6 |
|
6529 T-MOBILE USA, INC. |
358 |
|
2005-11-07 |
|
| 773-467
| 7 |
|
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2005-12-08 |
|
| 773-467
| 8 |
|
9329 ILLINOIS BELL TEL CO |
358 |
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| 773-467
| 9 |
|
9329 ILLINOIS BELL TEL CO |
358 |
|
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|
| 773-501
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
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Last updated: Thu, 29 Jan 2026 14:35:03 UTC
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