Local Calling Guide
Area code/prefix search
NPA: 312
[Rate centres in NPA 312]
[Dial plan for NPA 312]
Block: A
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>
| NPA-NXX |
BLOCK |
Rate Centre |
Region |
Switch |
OCN |
LATA |
LIR |
Eff date |
Disc date |
| 312-200
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILMF4MD |
5562 METRO PCS, INC. |
358 |
|
|
|
| 312-201
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-202
| A |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-203
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-204
| A |
Chicago Zone 01-Superior |
IL |
CHCGILSUDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-205
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCHILLEDS0 |
8950 ALLEGIANCE TELECOM, INC. - IL |
358 |
|
|
|
| 312-206
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-207
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-208
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-209
| A |
Northbrook West |
IL |
ELGNIL32CM0 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-210
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILCNDS5 |
910F AIRUS, INC. - IL |
358 |
|
|
|
| 312-212
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-213
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-214
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-215
| A |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-216
| A |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS LLC - IL |
358 |
|
|
|
| 312-217
| A |
Chicago Zone 01-Calumet |
IL |
ARLHILJQBMD |
6664 SPRINT SPECTRUM L.P. |
358 |
|
|
|
| 312-218
| A |
Chicago Zone 01-Wabash |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-219
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILWBXDZ |
984E BANDWIDTH.COM CLEC, LLC - IL |
358 |
|
|
|
| 312-220
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-221
| A |
Chicago Zone 01-Calumet |
IL |
ARLHILJQBMD |
6664 SPRINT SPECTRUM L.P. |
358 |
|
|
|
| 312-222
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-223
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-224
| A |
Chicago Zone 01-Franklin |
IL |
EKGVILAADS0 |
7721 BROADWING COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-225
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILCADS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-226
| A |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-227
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILSUDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-228
| A |
Chicago Zone 01-Lakeshore |
IL |
CHCGILLRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-229
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-230
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-231
| A |
Schaumburg |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-232
| A |
Chicago Zone 01-Wabash |
IL |
CHCIILYACM0 |
9748 AMERICAN MESSAGING SERVICES, LLC |
358 |
|
|
|
| 312-233
| A |
Chicago Zone 01-Lakeshore |
IL |
CHCGILLRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-234
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS3 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-235
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILWBDS2 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-236
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS4 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-237
| A |
Chicago Zone 01-Wabash |
IL |
ELGNIL32CM2 |
6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL |
358 |
|
|
|
| 312-238
| A |
Chicago Zone 01-Superior |
IL |
EKGVILAADS0 |
7721 BROADWING COMMUNICATIONS, LLC - IL |
358 |
|
|
|
| 312-239
| A |
Chicago Zone 01-Canal |
IL |
CHCGILCLDS9 |
7421 AT&T LOCAL |
358 |
|
|
|
| 312-240
| A |
Chicago Zone 01-Lakeshore |
IL |
CHCGILLRDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-241
| A |
Chicago Zone 01-Calumet |
IL |
BURGILAHGT3 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-242
| A |
Chicago Zone 01-Wabash |
IL |
CHCGILCGDS1 |
7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL |
358 |
|
|
|
| 312-243
| A |
Chicago Zone 01-Monroe |
IL |
CHCGILMODS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-244
| A |
Chicago Zone 01-Franklin |
IL |
CHCGILFRDS1 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-245
| A |
Chicago Zone 01-Illinois Dearborn |
IL |
CHCGILIDDS0 |
9329 AMERITECH ILLINOIS |
358 |
|
|
|
| 312-246
| A |
Wheeling |
IL |
SCBGILRRGT1 |
6534 NEW CINGULAR WIRELESS PCS, LLC - IL |
358 |
|
|
|
| 312-247
| A |
Chicago Zone 01-Calumet |
IL |
CHCGIL24DS3 |
4604 FIRST COMMUNICATIONS LLC - IL |
358 |
|
|
|
| 312-248
| A |
Chicago Zone 01-Calumet |
IL |
CHCGILMF4MD |
5562 METRO PCS, INC. |
358 |
|
|
|
| 312-249
| A |
Chicago Zone 01-Wabash |
IL |
NPVMILQACM0 |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
| 312-250
| A |
Chicago Zone 01-Calumet |
IL |
NPVMILQACM0 |
6630 USA MOBILITY WIRELESS, INC. |
358 |
|
|
|
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Last updated: Sun, 28 Feb 2021 19:06:05 UTC
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