Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

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

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
773-201 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-202 A Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 AMERITECH ILLINOIS 358      
773-203 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-204 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-205 A Chicago Zone 03-Kildare IL CHCGILKIDS0  9329 AMERITECH ILLINOIS 358      
773-206 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-207 A Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358      
773-208 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-209 A Chicago Zone 03-Newcastle IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
773-210 A Chicago Zone 01-Wabash IL CHCGILWB50T  9329 AMERITECH ILLINOIS 358      
773-212 A Chicago Zone 03-Kildare IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-213 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-214 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-215 A Chicago Zone 01-Calumet IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-216 A Chicago Zone 01-Calumet IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
773-217 A Chicago Zone 09-South Chicago IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-218 A Chicago Zone 01-Wabash IL BURGILAHGT3  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-219 A Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-220 A Chicago Zone 03-Newcastle IL ARLHILJQBMD  6664 SPRINT SPECTRUM L.P. 358      
773-221 A Chicago Zone 09-South Chicago IL CHCGILSCDS0  9329 AMERITECH ILLINOIS 358      
773-222 A Chicago Zone 01-Calumet IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-223 A Chicago Zone 06-Kedzie IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-224 A Chicago Zone 07-Stewart IL CHCGILSTDS0  9329 AMERITECH ILLINOIS 358      
773-225 A Chicago Zone 03-Kildare IL CHCGILMF3MD  6529 T-MOBILE USA, INC. 358      
773-226 A Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-227 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-228 A Chicago Zone 01-Wabash IL NPVMILQACM0  6630 USA MOBILITY WIRELESS, INC. 358      
773-229 A Summit IL SMMTILSMDS0  9329 AMERITECH ILLINOIS 358      
773-230 A Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
773-231 A Chicago Zone 07-Stewart IL CHCGILGMDS7  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 358      
773-232 A Chicago Zone 10-Beverly IL CHCGIL24DS6  224C ONVOY, LLC 358      
773-233 A Chicago Zone 10-Beverly IL CHCGILBEDS0  9329 AMERITECH ILLINOIS 358      
773-234 A Chicago Zone 06-Kedzie IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-235 A Chicago Zone 04-Humboldt IL CHCGILHBDS1  9329 AMERITECH ILLINOIS 358      
773-236 A Chicago Zone 07-Stewart IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-237 A Chicago Zone 05-Merrimac IL CHCGILMEDS0  9329 AMERITECH ILLINOIS 358      
773-238 A Chicago Zone 10-Beverly IL CHCGILBEDS0  9329 AMERITECH ILLINOIS 358      
773-239 A Chicago Zone 10-Beverly IL CHCGILBEDS0  9329 AMERITECH ILLINOIS 358      
773-240 A Chicago Zone 10-Beverly IL ELGNILOT0MD  6529 T-MOBILE USA, INC. 358      
773-241 A Chicago Zone 07-Hyde Park IL CHCGILDODS0  9329 AMERITECH ILLINOIS 358      
773-242 A Chicago Zone 05-Austin IL CICRILCIDS0  9329 AMERITECH ILLINOIS 358      
773-243 A Chicago Zone 03-Newcastle IL CHCGILTCDS0  7056 XO ILLINOIS, INC. 358      
773-244 A Chicago Zone 04-Lakeview IL CHCGILLWDS0  9329 AMERITECH ILLINOIS 358      
773-245 A Chicago Zone 08-Portsmouth IL CHCGILWBXDZ  984E BANDWIDTH.COM CLEC, LLC - IL 358      
773-246 A Chicago Zone 04-Humboldt IL HMNDINPRCM0  6795 INDIANA PAGING NTWK 358      
773-247 A Chicago Zone 06-Lafayette IL CHCGILLADS0  9329 AMERITECH ILLINOIS 358      
773-248 A Chicago Zone 04-Lakeview IL CHCGILLWDS1  9329 AMERITECH ILLINOIS 358      
773-249 A Chicago Zone 11-O'Hare IL EKGVILAADS0  7721 BROADWING COMMUNICATIONS, LLC - IL 358      
773-250 A Chicago Zone 02-Irving IL BNSVILDGDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 358      
773-251 A Chicago Zone 03-Kildare IL BFGVILASG00  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 >>

Last updated: Sun, 07 Feb 2021 01:52:50 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.