Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 610 [Rate centres in NPA 610] [Dial plan for NPA 610]

NXX: 833

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
610-833 A Philadelphia Suburban Zone 11 PA RDPKPARPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-833 0 Philadelphia Suburban Zone 11 PA PHLAPAMKGMD  551G NUSO, LLC 228   2018-10-29   
610-833 1 Philadelphia Suburban Zone 11 PA RDPKPARPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-833 2 Philadelphia Suburban Zone 11 PA RDPKPARPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-833 3 Philadelphia Suburban Zone 11 PA RDPKPARPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-833 4 Philadelphia Suburban Zone 11 PA PHLAPAMK38Z  829J PAETEC ITEL, LLC 228   2011-12-17   
610-833 5 Philadelphia Suburban Zone 11 PA RDPKPARPDS0  9208 VERIZON PENNSYLVANIA, INC. 228      
610-833 6 Philadelphia Suburban Zone 11 PA PHLBPAMYDS4  5494 NETCARRIER TELECOM, INC. - PA 228   2002-11-25   
610-833 7 Philadelphia Suburban Zone 11 PA   547E ONVOY, LLC - PA 228   2026-03-14   
610-833 8 Philadelphia Suburban Zone 11 PA PHLAPAFGD1S  283E YMAX COMMUNICATIONS CORP. - PA 228   2009-02-11   
610-833 9 Philadelphia Suburban Zone 11 PA PHLAPAMKGMD  551G NUSO, LLC 228   2016-09-23   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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