Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
267-768 A Philadelphia Zone 1 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228      
267-768 6 Philadelphia Zone 1 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2017-07-06   
267-831 2 Philadelphia Zone 1 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2017-07-22   
267-848 4 Buckingham PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2016-01-15   
267-858 3 Philadelphia Zone 1 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2014-07-09   
267-892 3 Philadelphia Zone 2 PA 7434 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - PA 228   2017-01-14   
302-223 2 Smyrna DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-07-30   
302-231 4 Angola DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-12-15   
302-232 3 Bridgeville DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-10-30   
302-244 3 Dover DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2016-05-09   
302-256 5 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2008-04-01   
302-257 3 Dover DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2011-12-01   
302-259 7 Georgetown DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-03-30   
302-260 7 Rehoboth DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2007-05-15   
302-289 5 Felton DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-10-30   
302-291 A Lewes DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228      
302-291 6 Lewes DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2017-12-18   
302-298 3 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2011-04-07   
302-318 3 Newark DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2014-06-09   
302-318 4 Newark DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2014-06-09   
302-318 8 Newark DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-07-21   
302-349 7 Greenwood DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-12-15   
302-364 3 Dagsboro DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-10-30   
302-365 8 Delaware City DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2007-05-14   
302-407 4 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2014-04-01   
302-412 2 Lewes DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2022-09-30   
302-451 8 Newark DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228      
302-462 3 Delmar DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-12-15   
302-464 3 Middletown DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2007-05-15   
302-468 5 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-12-23   
302-501 5 New Castle DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-08-20   
302-516 A Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228      
302-516 2 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-05-01   
302-516 3 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-05-01   
302-516 4 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-05-01   
302-516 5 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-05-01   
302-516 6 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-05-01   
302-516 8 Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2015-07-21   
302-524 4 Selbyville DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-09-30   
302-526 5 Dover DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2008-04-01   
302-533 4 Newark DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2013-01-16   
302-561 6 New Castle DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2008-04-01   
302-566 7 Harrington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-11-30   
302-570 7 Hartly DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-11-30   
302-592 4 Camden DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2021-10-21   
302-601 6 Delaware City DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2016-12-12   
302-608 3 Dover DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2016-10-04   
302-643 3 Milton DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-10-30   
302-648 3 Millsboro DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228   2009-07-30   
302-660 A Wilmington DE 7220 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - DE 228      

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Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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