Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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Allentown, NJ

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NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
640-242 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-08-06   
640-242 7   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-08-06   
640-242 8   637C ONVOY, LLC - NJ 222   2023-03-04   
640-242 9   6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2023-02-23   
640-777 A CMDNNJCE56Z  145J TERRA NOVA TELECOM INC. 222      
640-777 0   637C ONVOY, LLC - NJ 222   2019-08-16   
640-777 1   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-09-18   
640-777 2   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-09-18   
640-777 3   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-09-18   
640-777 4   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-09-18   
640-777 5   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-03-29   
640-777 6   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-03-29   
640-777 7   145J TERRA NOVA TELECOM INC. 222   2019-05-26   
640-777 8   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-03-29   
640-777 9   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2020-03-29   

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

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