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NPA: 773 [Rate centres in NPA 773] [Dial plan for NPA 773]

Block: A

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
773-301 A Chicago Zone 03-Kildare IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-302 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-303 A Chicago Zone 02-Edgewater IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-304 A Chicago Zone 03-Kildare IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-305 A Chicago Zone 04-Humboldt IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-306 A Chicago Zone 08-Portsmouth IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-307 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-308 A Chicago Zone 03-Kildare IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
773-309 A Chicago Zone 05-Austin IL CHCGILWBXWZ  829J PAETEC ITEL, LLC 358   2024-12-09   
773-310 A Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-312 A Chicago Zone 02-Edgewater IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-313 A Chicago Zone 02-Edgewater IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-314 A Chicago Zone 03-Kildare IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-315 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-316 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-317 A Chicago Zone 01-Calumet IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-318 A Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-319 A Chicago Zone 10-Beverly IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-320 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-321 A Chicago Zone 06-Kedzie IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-322 A Chicago Zone 07-Stewart IL ELGNILOTGT5  6529 T-MOBILE USA, INC. 358      
773-323 A Chicago Zone 02-Edgewater IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-324 A Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 ILLINOIS BELL TEL CO 358      
773-325 A Chicago Zone 04-Lakeview IL CHCGILLWDS0  9329 ILLINOIS BELL TEL CO 358      
773-326 A Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-327 A Chicago Zone 04-Lakeview IL CHCGILLWDS1  9329 ILLINOIS BELL TEL CO 358      
773-328 A Chicago Zone 04-Humboldt IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
773-329 A Chicago Zone 03-Kildare IL OKBRILOAXEX  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358      
773-330 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-331 A Chicago Zone 03-Kildare IL   6529 T-MOBILE USA, INC. 358      
773-332 A Chicago Zone 03-Kildare IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-333 A Chicago Zone 02-Edgewater IL CHCGILBWCM2  9748 AMERICAN MESSAGING SERVICES, LLC 358      
773-334 A Chicago Zone 02-Edgewater IL CHCGILEDDS0  9329 ILLINOIS BELL TEL CO 358      
773-335 A Chicago Zone 09-South Chicago IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2025-02-02   
773-336 A Chicago Zone 09-South Chicago IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
773-337 A Chicago Zone 11-O'Hare IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-338 A Chicago Zone 02-Rogers Park IL CHCGILRPDS0  9329 ILLINOIS BELL TEL CO 358      
773-339 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-340 A Chicago Zone 08-Portsmouth IL CHCGIL24DS6  224C ONVOY, LLC 358   2024-12-29   
773-341 A Chicago Zone 10-Beverly IL CHCGILWUX6X  460K FIRST COMMUNICATIONS, LLC 358      
773-342 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 ILLINOIS BELL TEL CO 358      
773-343 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-344 A Chicago Zone 10-Beverly IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-345 A Chicago Zone 05-Austin IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-346 A Chicago Zone 06-Kedzie IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-347 A Chicago Zone 07-Stewart IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-348 A Chicago Zone 04-Lakeview IL CHCGILLWDS1  9329 ILLINOIS BELL TEL CO 358      
773-349 A Chicago Zone 08-Portsmouth IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-350 A Chicago Zone 01-Wabash IL RVDLILBDAMD  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358      
773-351 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

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Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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