Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 321J HD CARRIER LLC

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
610-569 5 Royersford PA PHLAPAMKX7X  228   2016-01-02   
610-596 3 Catasauqua PA PHLAPAMKX7X  228   2016-09-11   
610-596 5 Catasauqua PA PHLAPAMKX7X  228   2016-09-11   
610-596 7 Catasauqua PA PHLAPAMKX7X  228   2016-09-11   
610-615 4 Center Point PA PHLAPAMKX7X  228   2016-01-02   
610-615 6 Center Point PA PHLAPAMKX7X  228   2016-01-02   
610-618 4 Kutztown (Berks) PA PHLAPAMKX7X  228   2016-05-20   
610-618 5 Kutztown (Berks) PA PHLAPAMKX7X  228   2016-05-20   
610-618 8 Kutztown (Berks) PA PHLAPAMKX7X  228   2016-05-20   
610-634 0 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 1 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 2 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 3 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 4 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 5 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 6 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-634 7 Chester Springs PA PHLAPAMKX7X  228   2016-01-02   
610-894 0 Kutztown (Berks) PA PHLAPAMKX7X  228   2016-05-20   
610-894 1 Kutztown (Berks) PA PHLAPAMKX7X  228   2016-05-20   
612-416 A Twin Cities MN MPLSMNCDX7X  628      
612-416 9 Twin Cities MN MPLSMNCDX7X  628   2020-02-13   
612-641 6 Twin Cities MN MPLSMNCDX7X  628   2026-03-23   
612-641 7 Twin Cities MN MPLSMNCDX7X  628   2026-03-23   
612-641 8 Twin Cities MN MPLSMNCDX7X  628   2026-03-23   
614-689 4 Dublin OH CLMBOH1147Z  324   2018-01-28   
614-689 9 Dublin OH CLMBOH1147Z  324   2018-01-28   
614-802 4 Worthington OH CLMBOH1147Z  324   2020-05-09   
614-802 8 Worthington OH CLMBOH1147Z  324   2020-05-09   
614-874 5 Dublin OH CLMBOH1147Z  324   2020-05-09   
614-874 8 Dublin OH CLMBOH1147Z  324   2020-05-09   
614-974 1 Dublin OH CLMBOH1147Z  324   2018-01-28   
615-420 1 Goodlettsville TN NSVNTNGN7MD  470   2026-04-09   
615-528 2 Goodlettsville TN NSVNTNGN7MD  470   2026-04-09   
615-528 9 Goodlettsville TN NSVNTNGN7MD  470   2026-04-09   
615-798 9 Franklin TN NSVNTNGN7MD  470   2026-04-09   
615-814 9 Franklin TN NSVNTNGN7MD  470   2026-04-09   
616-317 A Grand Rapids MI BRSPMI098MD  348      
616-317 9 Grand Rapids MI BRSPMI098MD  348   2020-11-21   
616-343 4 Greenville MI BRSPMI098MD  348   2025-11-03   
616-346 6 Holland MI BRSPMI098MD  348   2025-11-03   
616-398 8 Grand Haven MI BRSPMI098MD  348   2025-11-03   
617-376 9 Quincy MA CMBRMABEQMD  128   2026-07-17   
617-544 5 Everett MA CMBRMABEQMD  128   2016-04-11   
617-597 3 Newton MA   128   2026-09-12   
617-657 7 Quincy MA CMBRMABEQMD  128   2015-06-19   
617-671 2 Boston MA CMBRMABEQMD  128   2026-03-14   
617-691 8 Quincy MA CMBRMABEQMD  128   2016-05-12   
617-717 2 Boston MA CMBRMABEQMD  128   2026-05-09   
617-729 1 Quincy MA CMBRMABEQMD  128   2016-05-12   
617-741 2 Somerville MA CMBRMABEQMD  128   2016-04-11   

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Last updated: Tue, 29 Sep 2026 03:00:13 UTC

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