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.

Switch: PHLAPAMKXCX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
215-921 A Philadelphia Zone 2 PA 318J COMCAST IP PHONE, LLC 228      
267-239 A Philadelphia Zone 1 PA 318J COMCAST IP PHONE, LLC 228      
267-273 A Philadelphia Zone 1 PA 318J COMCAST IP PHONE, LLC 228      
267-293 A Carversville PA 318J COMCAST IP PHONE, LLC 228      
267-332 A Philadelphia Suburban Zone 41 PA 318J COMCAST IP PHONE, LLC 228      
267-382 A Souderton PA 318J COMCAST IP PHONE, LLC 228      
267-512 A Philadelphia Suburban Zone 43 PA 318J COMCAST IP PHONE, LLC 228      
267-538 A Philadelphia Zone 4 PA 318J COMCAST IP PHONE, LLC 228      
267-544 A Buckingham PA 318J COMCAST IP PHONE, LLC 228      
267-686 A Philadelphia Zone 4 PA 318J COMCAST IP PHONE, LLC 228      
267-731 A Philadelphia Zone 4 PA 318J COMCAST IP PHONE, LLC 228      
267-766 A Philadelphia Zone 3 PA 318J COMCAST IP PHONE, LLC 228      
267-778 A Philadelphia Suburban Zone 40 PA 318J COMCAST IP PHONE, LLC 228      
267-789 A Philadelphia Suburban Zone 43 PA 318J COMCAST IP PHONE, LLC 228      
267-797 A Morrisville PA 318J COMCAST IP PHONE, LLC 228      
267-807 A Philadelphia Zone 1 PA 318J COMCAST IP PHONE, LLC 228      
267-837 A Pennsburg PA 318J COMCAST IP PHONE, LLC 228      
267-878 A Philadelphia Suburban Zone 42 PA 318J COMCAST IP PHONE, LLC 228      
267-928 A Philadelphia Zone 1 PA 318J COMCAST IP PHONE, LLC 228      
302-201 A Frederica DE 318J COMCAST IP PHONE, LLC 228      
302-215 A Hockessin DE 318J COMCAST IP PHONE, LLC 228      
302-256 A Wilmington DE 318J COMCAST IP PHONE, LLC 228      
302-273 A Newark DE 318J COMCAST IP PHONE, LLC 228      
302-365 A Delaware City DE 318J COMCAST IP PHONE, LLC 228      
302-502 A Wilmington DE 318J COMCAST IP PHONE, LLC 228      
302-508 A Smyrna DE 318J COMCAST IP PHONE, LLC 228      
302-509 A Hockessin DE 318J COMCAST IP PHONE, LLC 228      
302-668 A Wilmington DE 318J COMCAST IP PHONE, LLC 228      
445-235 A Philadelphia Suburban Zone 39 PA 318J COMCAST IP PHONE, LLC 228      
445-265 A Philadelphia Suburban Zone 39 PA 318J COMCAST IP PHONE, LLC 228      
445-283 A Dublin PA 318J COMCAST IP PHONE, LLC 228      
484-266 A West Chester PA 318J COMCAST IP PHONE, LLC 228      
484-370 A Philadelphia Suburban Zone 30 PA 318J COMCAST IP PHONE, LLC 228      
484-415 A Boyertown PA 318J COMCAST IP PHONE, LLC 228      
484-480 A Philadelphia Suburban Zone 11 PA 318J COMCAST IP PHONE, LLC 228      
484-509 A Reading PA 318J COMCAST IP PHONE, LLC 228      
484-593 A Downingtown PA 318J COMCAST IP PHONE, LLC 228      
484-816 A Philadelphia Suburban Zone 11 PA 318J COMCAST IP PHONE, LLC 228      
484-869 A Reading PA 318J COMCAST IP PHONE, LLC 228      
484-878 A Reading PA 318J COMCAST IP PHONE, LLC 228      
484-915 A Avondale (Chester) PA 318J COMCAST IP PHONE, LLC 228      
484-947 A West Chester PA 318J COMCAST IP PHONE, LLC 228      
484-967 A Glenmoore PA 318J COMCAST IP PHONE, LLC 228      
484-983 A West Chester PA 318J COMCAST IP PHONE, LLC 228      
484-987 A Reading PA 318J COMCAST IP PHONE, LLC 228      
610-979 A Atglen PA 318J COMCAST IP PHONE, LLC 228      
610-985 A Reading PA 318J COMCAST IP PHONE, LLC 228      
835-203 A Bally PA 318J COMCAST IP PHONE, LLC 228      

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

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