PhilaU: OIT >> Telephone Exchanges in the University Calling Area

Philadelphia Exchanges in Zone 3
951 (school exchange)	254	267	438	482	548	842	927
713 (school exchange)	261	381	439	483	549	843	930
278	276	403	455	487	621	844	967
242	298	406	456	490	753	848	980
247	324	420	457	508	754	849	984
248	329	424	475	509	839	924	991

Cheltenham - Elkins Park - Flourtown - Jenkintown (Philadelphia Suburbs)
233	391	572	663	780	885
273	402	576	678	782	886
277	481	623	740	836	887
376	515	635	758	881	935
379	517	649	774	884	948

Complete Listing of all Philadelphia Residential and Business Telephone Exchanges and Corresponding Zones

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