Local Calling Guide
Area code/prefix search
Naperville, IL
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 331-345
| 7 |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2021-10-14 |
|
| 331-345
| 8 |
CHCGILWUKMD |
939H COMMIO, LLC |
358 |
|
2021-10-14 |
|
| 331-345
| 9 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2022-01-10 |
|
| 331-346
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-07-20 |
|
| 331-346
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2026-07-20 |
|
| 331-346
| 3 |
ELGNILOTGT5 |
5562 METROPCS, INC. |
358 |
|
2026-07-21 |
|
| 331-401
| A |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 331-401
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-08-15 |
|
| 331-401
| 1 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2016-02-04 |
|
| 331-401
| 2 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2017-01-22 |
|
| 331-401
| 3 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-02-22 |
|
| 331-401
| 4 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-06-13 |
|
| 331-401
| 5 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2016-02-05 |
|
| 331-401
| 6 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2017-02-13 |
|
| 331-401
| 7 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2017-04-13 |
|
| 331-401
| 8 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-14 |
|
| 331-401
| 9 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2016-09-14 |
|
| 331-444
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-444
| 0 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-05-01 |
|
| 331-444
| 1 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-05-01 |
|
| 331-444
| 2 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-05-01 |
|
| 331-444
| 3 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-07-09 |
|
| 331-444
| 4 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2015-10-02 |
|
| 331-444
| 5 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2011-06-17 |
|
| 331-444
| 6 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2011-11-09 |
|
| 331-444
| 7 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2012-09-30 |
|
| 331-444
| 8 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2012-10-22 |
|
| 331-444
| 9 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2012-12-14 |
|
| 331-457
| A |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 331-457
| 0 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-01-23 |
|
| 331-457
| 1 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-06-18 |
|
| 331-457
| 2 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-07-10 |
|
| 331-457
| 3 |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-09-07 |
|
| 331-457
| 4 |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2011-04-24 |
|
| 331-457
| 5 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2010-09-18 |
|
| 331-457
| 6 |
CHCGILWUX6X |
460K FIRST COMMUNICATIONS, LLC |
358 |
|
2010-04-03 |
|
| 331-457
| 7 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-01-23 |
|
| 331-457
| 8 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-11-02 |
|
| 331-457
| 9 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2009-01-23 |
|
| 331-472
| A |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
| 331-472
| 0 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-11-27 |
|
| 331-472
| 1 |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2008-12-19 |
|
| 331-472
| 2 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2009-01-29 |
|
| 331-472
| 3 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-11-20 |
|
| 331-472
| 4 |
CHCGILNEXJX |
318J COMCAST IP PHONE, LLC |
358 |
|
2010-11-29 |
|
| 331-472
| 5 |
CHCGILWBXWZ |
829J PAETEC ITEL, LLC |
358 |
|
2009-07-24 |
|
| 331-472
| 6 |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-12-16 |
|
| 331-472
| 7 |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2009-02-20 |
|
| 331-472
| 8 |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-12-18 |
|
| 331-472
| 9 |
ELGNILOTGT5 |
6529 T-MOBILE USA, INC. |
358 |
|
2008-12-06 |
|
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Last updated: Thu, 16 Jul 2026 02:21:55 UTC
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