Local Calling Guide
Area code/prefix search
NPA: 331
[Rate centres in NPA 331]
[Dial plan for NPA 331]
<< 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 >>
NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
331-318
| 1 |
Lemont |
IL |
CHCGIL241MD |
057H LOCAL ACCESS LLC - IL |
358 |
|
2013-09-30 |
|
331-318
| 2 |
Lemont |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-16 |
|
331-318
| 3 |
Lemont |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2014-02-08 |
|
331-318
| 4 |
Lemont |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2014-02-16 |
|
331-318
| 5 |
Lemont |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS LLC - IL |
358 |
|
2014-03-22 |
|
331-318
| 6 |
Lemont |
IL |
CHCGILCPDS9 |
138G LEVEL 3 TELECOM OF ILLINOIS, LLC - IL |
358 |
|
2014-02-27 |
|
331-318
| 7 |
Lemont |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE LLC |
358 |
|
2014-07-28 |
|
331-318
| 8 |
Lemont |
IL |
CHCGILNEXJX |
318J COMCAST IP PHONE LLC |
358 |
|
2014-08-14 |
|
331-318
| 9 |
Lemont |
IL |
ELGNILOT0MD |
6529 T-MOBILE USA, INC. |
358 |
|
2014-11-21 |
|
331-321
| A |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
|
|
331-321
| 0 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2017-05-22 |
|
331-321
| 1 |
Aurora |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2016-04-18 |
|
331-321
| 2 |
Aurora |
IL |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2015-09-21 |
|
331-321
| 3 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2016-04-09 |
|
331-321
| 4 |
Aurora |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-08 |
|
331-321
| 5 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2016-09-06 |
|
331-321
| 6 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2016-04-09 |
|
331-321
| 7 |
Aurora |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-08 |
|
331-321
| 8 |
Aurora |
IL |
CHCGIL24DS6 |
224C ONVOY, LLC |
358 |
|
2016-02-08 |
|
331-321
| 9 |
Aurora |
IL |
CHCGILMF2MD |
6529 T-MOBILE USA, INC. |
358 |
|
2015-09-18 |
|
331-330
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
331-330
| 0 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
331-330
| 1 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-06 |
|
331-330
| 2 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2009-11-02 |
|
331-330
| 3 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-02-11 |
|
331-330
| 4 |
Naperville |
IL |
CHCGILGMDS7 |
6115 LEVEL 3 COMMUNICATIONS, LLC - IL |
358 |
|
2010-03-07 |
|
331-330
| 5 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-25 |
|
331-330
| 6 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2010-03-25 |
|
331-330
| 7 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-04-18 |
|
331-330
| 8 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-06-25 |
|
331-330
| 9 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-10-03 |
|
331-332
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
331-332
| 0 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2011-11-09 |
|
331-332
| 1 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 2 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 3 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 4 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 5 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 6 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 7 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 8 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-332
| 9 |
Naperville |
IL |
NPVLILNADS0 |
9329 ILLINOIS BELL TEL CO |
358 |
|
2010-01-16 |
|
331-333
| A |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
331-333
| 0 |
Naperville |
IL |
BFGVILASG00 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
2009-01-05 |
|
331-333
| 1 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-07-16 |
|
331-333
| 2 |
Naperville |
IL |
RVDLILBDAMD |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
2010-06-10 |
|
331-333
| 3 |
Naperville |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
2010-07-16 |
|
331-333
| 4 |
Naperville |
IL |
EGVGILIFDS1 |
7196 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - IL |
358 |
|
2010-03-04 |
|
331-333
| 5 |
Naperville |
IL |
OKBRILDODS0 |
259E YMAX COMMUNICATIONS CORP. - IL |
358 |
|
2009-07-30 |
|
331-333
| 6 |
Naperville |
IL |
OKBRILDODS0 |
259E YMAX COMMUNICATIONS CORP. - IL |
358 |
|
2009-07-30 |
|
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Last updated: Wed, 01 Jun 2022 03:09:23 UTC
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